BIO 137 Chapter 5 LS and Quiz
label the parts of the pseudo stratified columnar epithelium
(top) columnar cell, nucleus, cilia, goblet cell (bottom) connective tissue, basement membrane
The structure that lines a cavity or tube which opens to the external environment is called a _______. This membrane contains goblet cells that secrete _____ to help trap particles and protect the underlying cells.
-mucous membrane -mucus
analyze the tissue sample and following questions
1 connective 2 fibrocartilage 3 intervertebral discs (between bones of spinal column)
picture of the three glands
1 merocrine gland -intact cell -secretion 2 apocrine gland -pinched off portion of cell 3 Holocrine gland -cell dividing -contents of cell that has disintegrated
types of tissues 1 2 3
1 skeletal muscle, long threadlike cells 2. smooth muscle, short spindle-shaped cells 3. cardiac muscle, highly branched cells
Differentiate between the three types of cartilage depicted in the images below. Then drag the labels describing the tissue to the correct tissue type
1) attaches the ribs to the sternum provides a low friction surface ... joint movement hyaline cartilage holds open passages so we can breathe 2) Elastic cartilage helps collect sound waves allows structures to stretch and return to original shape 3) found in the intervertebral discs fibrocartilage resists compressive forces in the spine
sebaceous glands (oil) of the skin
Holocrine Glands
epithelial tissue
Protective covering, secretion, absorption lack blood vessels, cells readily divide and are tightly packed
The parotid gland produces serous fluids (saliva) and dumps them into the nearby oral cavity. This makes the parotid gland an exocrine gland.
TRUE
functions of neuroglia include which of the following
They support and bind nervous tissue and provide nutrients and growth factors to neurons by connecting them to blood vessels.
identify the epithelial tissue illustrated
True -located in the kidney -comprised of simple cuboidal epithelial tissue -can easily secrete substances to/from the lumen False -comprised of stratified epithelium -forms the inner surfaces of the blood vessels -provides fast acting communication between body structures -is highly vascular -well suited for resisting frictional forces
what are the components of cartilage
abundant collagenous fibers perichondrium chondrocytes within lacunae
The pyruvic acid molecules then enter the mitochondria of the cell where they are converted to ____ by losing a carbon dioxide molecule
acetyl CoA
any specific type of connective tissue that stores energy in the form of fat, cushions against trauma and insulates against temperature changes is
adipose
The greater omentum is a structure that exists in the abdomen and hangs over the digestive tract, behind the abdominal muscles. A cross section viewed under a microscope reveals that it contains a connective tissue composed of large cells, or droplets. The cell walls are very thin and there is no collagen. The tissue looks like it might be good for cushioning. What type of connective tissue is this?
adipose tissue
inter
among, between
This tissue always has a free or ___ surface that is exposed to an open space.
apical
What type of exocrine gland has small portions of its epithelial cells as its secretion?
apocrine
Ceruminous (wax) glands lining the external ear
apocrine glands
a type of connective tissue found in the thin membranes around organs under most epithelial and fills spaces between muscles is called
areolar
a very connective tissue found in thin membranes around organs, under most epithella and fills spaces between muscles is called
areolar
what tissue functions to hold tissues together and nourish overlying epithelial tissue
areolar connective tissue
identify the four locations of the adipose tissue
around various joints around the heart around the kidneys under the skin
The other side of the tissue sets on a ___ which helps anchor the tissue to underlying structures.
basement membrane
match each connective tissue function with the appropriate image
blue- binds body parts together and withstands pulling focus rock look- stores fat and insulates purple with white and pink bunches- protects and provides framework for respiratory passages White with pink circles- transport substances helps maintain stable internal enviornment mostly purple- provides framework for the external ear grayish with black circles- protects organs and provides a framework for the body
the matrix of ___ tissue is arranged into concentric lamellae surrounding a central canal
bone
what tissue contains cells called osteocytes distributed among layers of matrix called lamellae which sip-round central Haversian canals
bone
skeleton on surface of the heart and around the kidneys covering the ends of bones tendons and ligaments between muscles, beneath epithelial tissues
bone adipose tissue hyaline cartilage dense connective tissues areolar tissue
match the location with the appropriate connective tissue skeleton on surface of the hear and around the kidneys covering the end of bones tendons and ligaments between muscles and beneath epithelial tissues
bone adipose tissue hyaline cartilage dense connectvie tissue areolar tissue
what characteristic explains the fact that bone heals much more rapidly than cartilage
bone is more richly vascularized
Nervous tissue can be found mainly in the _____, spinal cord, and in the limbs as ______.
brain peripheral nerves
Elastic connective tissue forms
branching networks or parallel strands.
Elastic connective tissue forms __________.
branching networks or parallel strands.
bone cells have many cytoplasmic processes that extend outward and pass through very small tubes in the extracellular matrix called
canaliculi
due to the density of bone matrix nutrients pass from one osteocyte to another through gap junctions on cell processes. These cell processes are found in
canaliculi
During the citric acid cycle, the carbons that remain from the original glucose split off as _____. During each cycle, one ATP is made
carbon dioxide
muscle tissue that is involuntary and has striation is found in muscle
cardiac
wall of the heart walls of blood vessels attached to bones in the arm walls of the stomach attached to the ribs iris of the eye
cardiac smooth skeletal smooth skeletal smooth
Embryonic stem cells growing in a lab dish are bathed in a "cocktail" of chemicals that cause them to specialize into branching networks of single-nucleated cells that pulsate in unison. This tissue is most likely
cardiac muscle
which tissue contains chondrocytes that lie in lacunae and is surrounded by a perichondrium
cartilage
what is the correct meaning of the word root "cyt-"
cell
label the proteins of the extracellular matrix
cellmembrane proteoglycan, intern, fibronectin
what are two characteristics of simple columnar epithelium
cells are longer than they are wide cells can be ciliated or non ciliated
Bone cells form concentric circles around longitudinal tubes called
central canals
what is the main cell type in cartilage called
chondrocyte
what is the name of cartilage cells that occupy small chambers in cartilage
chondrocytes
Cartilage tissues are likely to be slow in healing following an injury because
chondrocytes do note have direct blood supplies
what is the name of cartilage cells that occupy small chambers in cartilage
chrondrocyte
what is the most abundant structural protein in the body
collagen
Mutations usually disrupt collagen's function because
collagen has A very precise structure
areolar tissue contains
collagenous fibers, elastic fibers, and gel-like ground substance.
two types of bone tissues are ____ bone and ___ bone
compact and spongy
A(n) _________ gland branches repeatedly before reaching the glandular cells or secretory part.
compound
what type of exocrine glands have ducts that branch repeatedly before reaching the secretory portion
compound
what is perichondrium
connective tissue that covers cartilage
A general characteristic of connective tissue is that it
consists of cells within extracellular material
The primary characteristic of muscle tissues is their ability to _______
contract
nervous tissue
coordinate and control body activities cells communicate with each other and other body parts
stratified columnar epithelium consists of a single layer of columnar cells with several layers of ____ cells underneath
cuboidal
The largest membrane of the body, the _____ provides a protective barrier from environmental factors such as chemicals, water, microbes, and mechanical trauma.
cutaneous membrane
Holocrine gland secretion contains
cytosol, organelles, DNA and plasma membrane of the secretory cell
match each connective tissue function with the appropriate image
dark purple under - provides a flexible framework found in the external ear purple and pink lines bottom- provides support and shock absorption for structures subjected to pressure purple and pink white circles- top right- supports and provides framework . most abundant type of cartilage white and grey bottom right- provides support protection and framework of the skeleton
periosteum which covers bone is composed of what type of tissue
dense irregular
What type of connective tissue is comprised of many interwoven and randomly organized collagenous fibers?
dense irregular connective tissue
the dermis of the skin is made of ___ which is composed of thick randomly-organized fibers that sustain multi directional tension
dense irregular connective tissue
the dermis of the skin is made of ____ which is composed of thick randomly organized fibers that sustain multi directional tension
dense irregular connective tissue
tissue called __ connective tissues consists of a few fibroblasts and closely packed collagenous fibers as found in tendons and ligaments
dense regular
Tendons and ligaments are composed primarily of
dense regular connective tissue
A human embryo develops with a mutation that prevents smooth muscle from developing in the body. Which bodily functions will be most heavily affected by this mutation if it survives to birth?
digestive system functions
cartilage found in the external ear and parts of the larynx is
elastic
many yellow elastic fibers along with some collagen fibers and fibroblasts compose ____ connect tissue
elastic
some structures like the walls of arteries and the ligaments between the vertebra need to be able to stretch and recoil back to their original shape . which tissue gives them this quality
elastic connective tissue
label the features of areolar tissue
elastic fiber ground substrate collagenous fiber fibroblast
Throughout both glycolysis and the citric acid cycle, hydrogen atoms and high-energy ____ are released. They are picked up by a carrier molecule.
electrons
what type of glands secrete their substances like hormones into the blood or tissue fluid
endocrine
Glands that secrete their product into tissue fluid or blood are called ____ glands. An example of this type of gland is the _____
endocrine thyroid gland
what are representative locations of hyaline cartilage
ends of bones in many joints soft part of nose developing long bones in embryos rings of respiratory passages
upon
epi
The four tissue types are muscle tissue, nervous tissue, connective tissue, and __________ tissue
epithelial
The major tissue type that lacks blood vessels, has cells that are tightly packed, and is continuously being replaced is called __________ tissue
epithelial
____ tissues are found covering or lining body surfaces or organs.
epithelial
protection, secretion absorption and excretion are function of _______ tissues
epithelial
Glandular tissue is a type of ____ tissue that secretes substances into ____ or body fluids
epithelial ducts
what type of tissue covers the body surface and line organs and cavities
epithelial tissue
label the features of transitional epithelium
epithelial tissue basement membrane free surface connective tissue
Epithelial membranes are typically composed of
epithelium and underlying connective tissue
epithelial membranes are typically composed of
epithelium and underlying connective tissue
simple epithelial tissue
every cell touches the basement membrane allows for rapid diffusion of substances lines the lumens of the renal tubules of the kinder
Merocrine, apocrine, and holocrine glands are all types of ___ glands
exocrine
the ____ glands secrete their products into ducts that open onto surfaces, while glands secrete their products into tissue fluid or blood
exocrine endocrine
Glands that secrete their products into a small passageway that opens onto a surface are ____ glands. An example of this type of gland is a _____
exocrine sweat gland
how do merocrine exocrine glands secrete their products
exocytosis
Which of the following is not one of the four basic types of body tissues?
eye tissue
Blood isn't a connective tissue because it wander around the body and is never in a fixed location
false
Osteocytes release histamine and heparin t or f
false
Osteocytes release histamine and heparin true or false
false
Peristalsis is the involuntary contraction and relaxation of the muscles of the digestive tract that assist in moving food and waste through. The muscles controlling peristalsis must be skeletal muscle.
false
Researchers bred a generation of rats that were sterile. When investigating the root of this change, they noticed that the sterility came from the inner tissues of the uterine tubes missing their normal cilia, which guide the egg into the uterus. The tissue that was hindered was simple squamous epithelium
false
Smooth muscle tissue actions are voluntary t or f
false
The lubricating secretions of the walls of the thoracic cavity and the outside of the lungs come from goblet cells. true or false
false
The soft part of the nose and the supporting rings of the respiratory passages are composed of fibrocartilage true or false
false
The wall of the heart is made up of three layers, including the middle layer responsible for the heart's pumping action. These layers are all the same tissue type, epithelium true or false
false
all tissue types are tightly packed, but of cells attached by intercellular junctions true or false
false
bones are rigid structures with an extracellular matrix containing ONLY minerals t or f
false
muscle tissue conducts electrical impulses from one neuron to another and coordinates body activities t or f
false
true or false torn cartilages heals slowly because it lacks a direct blood supply and nutrients have to be obtained by diffusion from the blood vessels in the surrounding perichondrium
false
fibers or ground substance collagen reticular elastic resist stretching
fibers
the type of cartilage found in intervertebral disks of the vertebral column is
fibro
label the components of dense connective tissue
fibroblast collagen fiber
label the features of reticular connective tissue
fibroblast reticular fiber reticular fiber white blood cell fibroblast
the most abundant cells in the dense connective tissue are
fibroblasts
The intervertebral discs that are separate parts of the backbone are composed of
fibrocartilage
The intervertebral discs that separate parts of the backbone are composed of __________
fibrocartilage
what tissue function in shock absorption due to abunant collagen fibers throughout
fibrocartilage
what type of cartilage provides support and shock absorption
fibrocartilage
due to its thin nature what are two functions of simple squamous epithelial tissue
filtration diffusion
squamous cuboidal columnar
flattened cube shaped elongated
mucus
fluid rich in glycoproteins for protection secreted by goblet cells in the inner linings of the digestive system
blood is composed of what two major parts
formed elements plasma
place the following parts of the epithelial tissue in order
free surface epithelial cells basement membrane connective tissue
Label the simple squamous epithelium and its features.
from left to right basement membrane, connective tissue, squamous cell, nucleus
A single cell, or a structure consisting of a group of cells, that makes and secretes a substance is called a(n) __________.
gland
a single cell or a group of cells that make and secretes a substance is called a
gland
This tissue type also forms ___, which produce and secrete substances.
glands
Specialized to secrete substances.
glandular epithelium
The pituitary gland is a structure in the brain that secretes hormones into the bloodstream. What epithelium lines this structure and produces the secretion
glandular epithelium
The pituitary gland is a structure in the brain that secretes hormones into the bloodstream. What epithelium lines this structure and produces the secretion?
glandular epithelium
specialized to secrete substances
glandular epithelium
Within the cytoplasm, glucose enters a series of anaerobic reactions called ______- producing two 3-carbon compounds called ______
glycolysis pyruvic acid
A biomedical engineer is tasked with creating epithelial tissue to be placed in a test animal. This tissue requires mucus secretions to create a protective layer on top of the tissue. The engineer needs to place __________ in the tissue to accomplish this function
goblet cells
fibers or ground substance -fluid or gel consistency -provides the rubbery texture of cartilage -responsible for the stiffness of cartilage -absorbs compressive forces -provides the hard texture of bones
ground substance
what is the composition of extracellular matrix found in connective tissue
ground substance protein fibers
cardiac muscle is found in the wall of the
heart
most blood cells form in ___ tissue in the red marrow of certain bones
hemopoletic
sebaceous glands secrete a substance called sebum, which coats the skin and protects it from water. The glands secrete this substance as the cells lining the inside rupture and release their contents, along with the disintegrated cell. Sebaceous glands are __________ glands
holocrine
types of exocrine glands
holocrine, merocrine, apocrine
a type of cartilage that forms a model for developing bones, provides a supportive framework and protects underlying tissues is ___
hyaline
what is the most common type of cartilage in the human body
hyaline
what type of cartilage contains fine collagen fivers in an extracellular matrix that looks somewhat like white glass
hyaline cartilage
which cartilage type is present at the ends of long bones the tip of the nose and in the respiratory tract
hyaline cartilage
the three types of cartilage
hyaline, elastic, fibrocartilage
Marfan syndrome is a hereditary defect in elastin fibers. People with this syndrome would therefore exhibit what feature?
hyper extensible joints
how is the stratified squamous epithelium of the skin different from that in other areas of the body
in the skin, the epithelium is keratinized
determine the outcome of each hypothetical situation
increase: -would flexibility of he intervertebral discs increase or decrease if the fibrocartilage were comprised of elastic cartilage -would vascularity of ligaments increase or decrease if they were made of bone -would rate of infections increase or decrease if the epidermis were composed of pseudostratified epithelium DECREASE -would tissue damage increase or decrease if the oral cavity were composed of keratinized tissue -would diffusion rates of oxygen increase or decrease if alveolar lining were made of stratified epithelium -would autonomic control of digestive motility increase or decrease if the intestines contained skeletal muscle -would elasticity of the east increase or decrease if the elastic cartilage were replaces with bone -would protection of the brain increase or decrease if the bony tissues were replaced with hyaline cartilage
stratified squamous epithelium, the cube shaped cells that undergo mitosis are located in ____ layer, while flattened cells are in the _____ layer
innermost, outermost
The band between cardiac muscle cells is called a(n) ______ _____.
intercalated disc
cells within a tissue are joing together by
intercellular junction
cells within a tissue are joined together by
intercellular junctions
what are the characteristics of hyaline cartilage
it contains fine collagen fibers it has a glassy extracellular matrix it contains chondrocytes within lacunae
what are characteristics of reticular connective tissue
it contains thin fibers it is found in the spleen
what are the characteristics of hyaline cartilage
it has a glassy extracellular matrix it contains fine collagen fibers it contains chondrocytes within lacunae
where in the body can areolar tissue be found
it is found under the epithelium
indicate two characteristics of dense irregular connective tissue
it sustains tension from many directions it contains randomly organized fibers
which is tougher and more waterproof, keratinized or nonkeratinized epithelium
keratinized
fact-
large
macr-
large
holocrine sebaceous glands in the skin entire cells disintegrate and are released
last with metaphase look happening in the blocks
a serous membrane consists of a
layer of simple squamous epithelium and a thin layer of areolar tissue.
picture of 4 tissue types pointing to locations from top to bottom
lines the small tubules of the kindeys lines the lumen of the trachea lines the alveoli of the lungs lines larger ducts of exocrine glands
connective tissue proper includes which two subcategories of connective tissue
loose connective tissue dense connective tissue
Thin sheetlike structures which cover all surfaces and line the cavities of the body are known as _______. There are three major types found in or on the body.
membranes
glands that secrete watery fluids by exocytosis without apparent loss of cytoplasm are called ___- glands
merocrine
salivary glands, sweat glands
merocrine glands
apocrine gland ceruminous glands in the ear small cellular portions are lost during secretion
middle with pieces breaking off
the lining of the nose consists of _____ membrane
mucous
the merocrine glands along with the goblet cells that play a protective role in the digestive respiratory and reproductive systems by secreting a thick fluid are the _____ secreting glands
mucous
Consisting of epithelium overlying areolar connective tissue, a ____ lines passageways of the body such as those of the digestive, respiratory, urinary, and reproductive tracts
mucous membrane
Axons of neurons transmit electrical impulses to other neurons, glands, and _________
muscles
neur-
nerve
The second cell type, the ___________, support and bind the components of the nervous tissue.
neuroglia
cells that support neurons are
neuroglia
The cells that respond to environmental stimuli are _
neurons
on the cellular level, the first type of nervous cell, the ____ are responsible for carrying electrical signals throughout the body
neurons
the cells that respond to environmental stimuli are
neurons
as an adipose cell enlarges the ___ gets pushed to one side of the cell
nucleus
label the components of adipose tissue
nucleus adipocyte cell membrane
label the features of the skeletal muscle tissue
nucleus muscle fiber striation
what are three locations of stratified squamous epithelium
oral cavity outer layer of the skin vagina
which of the following characteristics is used to name tissue types
organization of cells
name the specific tissue that protects organs in the body cavities provide attachment for muscles forms blood cells and stores inorganic chemicals such as calcium and phosphorous
osseous
label the components of osseous tissue
osteocyte in lacuna lamellae central canal canaliculi osteon
A ____ is a cylinder shaped unit of compact bone composed of concentric lamellae around a central canal
osteon
Acetyl CoA then binds with ____ to form citric acid, beginning a series of reactions called the _____
oxaloacetic acid citric acid cycle
what is the specific name of the connective tissue layer that covers all cartilaginous structures
perichondrium
place each image of a connective tissue into the appropriate category
pic on phone
muscle tissue
produce body movements are able to contract in response to specific stimuli
what are the functions of cartilage
provides support and framework for the body protects underlying tissue
Protects passages of the respiratory system. It contains cilia that move mucus over the surface of the tissue
pseudo stratified columnar epithelium
Lining of larger respiratory passages
pseudostratified columnar epithelium
The _________ __________ __________ function to transport oxygen and carbon dioxide in the body.
red blood cells
what are the formed elements of blood
red blood cells white blood cells platelets
Due to these cells, the nervous tissue is able to coordinate, ____________ , and integrate many bodily functions.
regulate
a type of connective tissue that is composed of thin collagenous fibers in an open loose three D network provides the framework to organs such as the liver, spleen, and lymphatic organ is ____ tissue
reticular
what are three representative locations of stratified cuboidal epithelium
salivary glands seminiferous tubules ducts of mammary glands
epithelial tissue functions in
secretion, absorption, protection
The epithelial membrane that lines a body cavity that lacks an opening to the outside is called a ______
serous membrane
What type of membrane lines body cavities that do not open to the external environment, such as the thoracic cavity and abdominal cavity?
serous membrane
Consisting of simple squamous epithelium overlying a thin layer of areolar connective tissue, a _____lines some body cavities and produces a thin, watery secretion, called ____ that lubricates internal areas.
serous membrane serous fluid
the two main parameters used to classify epithelial tissues are the ____ of cells and the number of _____ of the cells
shape layers
What are epithelial membranes?
sheetlike structures composed of epithelium and connective tissue
The inner linings of most organs of the digestive system are composed of __________
simple columnar epithelium
The inner linings of most organs of the digestive system are composed of __________ .
simple columnar epithelium
lining of stomach and intestines
simple columnar epithelium
which type of tissue lines the follicles of the thyroid glands
simple cuboidal epithelium
Functions in gas exchange in the lungs and lines blood and lymph vessels and various body cavities.
simple squamous epithelium
The tissue through which gases are exchanged between the blood and the air in the lungs is
simple squamous epithelium
air sacs of lungs, walls of capillaries
simple squamous epithelium
Striations, but not intercalated discs, are seen in __________ muscle tissue
skeletal
what type of muscle cells have more than one nucleus
skeletal muscle cells only
cutaneous membrane refers to
skin
what do secretions of apocrine glands contain
small amounts of cytosol and plasma membrane from the secretory cells
merocrine gland sweat glands a fluid product is released through exocytosis
small green circles inside
what type of muscle tissue is found in the wall of blood vessels
smooth muscle
What type of muscle tissue is found in the wall of blood vessels?
smooth muscle tissue
involuntary muscle tissues are
smooth muscle tissue and cardiac muscle tissue
stratified epithelial tissue
some cells rest on top of other cells resists abrasion found on the superficial surface of the skin found in the salivary glands is sometimes kernatinized
smooth muscle is found in the wall of the
stomach
what do simple tubular exocrine glands look like
straight, tube like glands that open directly onto the surface
_____ cuboidal epithelium consists of two or three layers of cuboidal cells
stratified
the type of epithelium called _____ columnar epithelium consist of a superficial layer of columnar cells overlying several layers of cuboidal cells
stratified columnar epithelium
what tissue type is found in parts of the male urethra and lining the larger ducts of exocrine glands
stratified columnar epithelium
what tissue is found in the ducts of seminiferous tubules and lining the developing ovarian follicles
stratified cuboidal epithelium
outer layer of skin and lining of cheek
stratified squamous epithelium
label the features of cardiac muscle tissue
striation nucleus intercalated disc
connective tissue
support soft tissue bind structures together mostly have good blood supply, cells are farther apart than epithelial cells with extracellular matrix between
Dense connective tissue is found in __________ and is made of thick, strong __________ fibers.
tendons; collgen
adipose tissue is dynamic, changing shape depending on
the amount of fat stored
which of the following structures would be affected the most by a deficiency in collagen?
the bones
Knowing the structure of the neuron, when a signal travels from a motor neuron to a skeletal muscle, the nerve signal must travel from
the dendrites of the motor neuron down the axon, and then from the axon of the neuron to the muscle.
which is true of simple squamous epithelium
the design of the tissue makes it ideal for substances to diffuse through it
A mutation occurs that prevents the formation of intercalated disks. Which of the following muscular structures will be directly affected
the heart
A mutation occurs that prevents the formation of intercalated disks. Which of the following muscular structures will be directly affected?
the heart
A researcher genetically modifies an organism so it is paralyzed because its motor neurons can send signals to muscles, but none of the motor neurons can receive signals sent from the brain through other neurons. What is wrong with these motor neurons?
the motor neurons lack dendrites
connective tissue is notably different from epithelial tissue which statement describes a major diff between these tissue types
there is more space between cells in the connective tissue
what is a characteristic of merocrine glands
they are the most abundant gland type
what type of intercellular junction cells in sheet like layers by fusing adjacent cells together
tight junctions
hist
tissue
Label the components of elastic cartilage
top to bottom lacuna chondrocyte nucleus elastic fiber extracellular matrix
Label the parts of the pseudo stratified columnar epithelium
top: columnar cell, nucleus, cilia, goblet cell bottom: connective tissue, basement membrane
identify the class of tissue to which each example belongs
top: epithelial, connective, connective bottom: muscle, muscle, nervous
Specialized to become distended in the urinary bladder, ureters, and superior urethra.
transitional epithelium
inner lining of urinary bladder
transitional epithelium
what tissue type is found lining the urinary bladder, ureters and are part of the urethra
transitional epithelium
what type of epithelium is specialized to change in response to increased tension
transitional epithelium
what are the functions of red blood cells in the blood
transport gases
an ATP molecule consists of an adenine, a ribose and three phosphates t or f
tru
A skeletal muscle fiber contains many nuclei.
true
A tissue's function is to direct flow of a substance to an organ without losing any of the substance or letting any other substances contact it. Tight junctions are most likely to be found between the cells of this tissue
true
A tissue's function is to direct flow of a substance to an organ without losing any of the substance or letting any other substances contact it. Tight junctions are most likely to be found between the cells of this tissue t or f
true
Sickle cell anemia is a disease that causes red blood cells to become crescent-shaped and become lodged in capillaries. This disease directly affects a connective tissue. true or false
true
Tissues are groups of cells that have a common overall function, yet are distinctive in their characteristic cell types and the molecules that the cells produce.
true
Tissues are groups of cells that have a common overall function, yet are distinctive in their characteristic cell types and the molecules that the cells produce. true or false
true
Usually epithelial tissues do not have blood vessels t or f
true
You are examining a sample of epithelial tissue. The tissue itself is from an area where the cells form multiple stacked layers. The cells rapidly divide and push older ones away from the basement membrane and up toward the free surface, similarly to skin. This type of epithelial tissue is called stratified squamous epithelium.
true
a mucus-secreting goblet cell is unicellular gland t or f
true
a skeletal muscle fiber contains many nuclei t or f
true
a synovial membrane is entirely connective tissue t or f
true
osteoblasts become osteocytes t or f
true
serous and mucous membranes consist of epithelial and connective tissues t or f
true
the vocal cords work via constant movement during sound production, requiring the ability to be resilient and springy, stretching and moving without losing their shape. Knowing this, the vocal cords must be rich in elastin. true or false
true
true or false repair is slow when damage occurs to tissues such as dense regular connective tissue because of poor blood supply
true
white blood cells may become macrophages t or f
true
dentify the epithelial tissue illustrated. Then drag each label into the appropriate box, indicating whether each label's statement is true or false regarding the tissue shown
true -located in the kidneys -can easily secrete/absorb substances to/from the lumen -comprised of simple cuboidal epithelial tissue false -comprised of stratified epithelium -forms the inner surfaces of the blood vessels -provides fast acting communication between body structures -is highly vascular -well suited for resisting frictional forces
true and false of the tissue
true -contains connective tissue -forms intervertebral discs between bones of spinal column -contains collagen fibers -functions to absorb shock false -seen in tendons -contains dense irregular connective tissue -used to produce forces involved with movement -found on the ends of bones within joints
identify the tissue shown in the image
true involuntary controlled centrally located nuclei usually uni- or binucleate cells shorten in the horizontal direction of this section false contains thousands of visible cells cylindrical shape in walls of blood vessels characterized by a high proportion of extracellular matrix functions principally to produce heat and move body segments contains little to no blood supply
Nervous tissue is composed mainly of _____ types of cells.
two
a goblet cell is an example of a ____ gland
unicellular
glands that consist of a single epithelial cell are _____ glands while ______ glands are composed of many cells
unicellular multicellular
transitional epithelium lines the urinary bladder and the ureters and part of the urethra. When the organ wall contracts transitional epithelium is ____ when the organ is distended the tissue is _____
unstretched stretched
epi
upon
The membranous layer that covers the surface of an organ in a body cavity is called the _____ layer of the membrane. The layer that lines the wall of the body cavity is called the ______ layer
visceral parietal
serous
watery fluid with a high enzyme content, for lubrication found in the visceral and parietal membranes of the thoracic and abdominopelvic cavities
what are the components of elastic connective tissue
yellow fibers fibroblasts collagen fibers