Biology Unit 7 Quiz 2

protection movement production of blood cells support

(Select all that apply.) Choose from the following the primary functions of the skeletal system. protection movement production of blood cells getting rid of wastes support blood circulation

ears nose larynx trachea

(Select all that apply.) Choose the parts of the body which incorporate cartilage. adult skull ears nose larynx mouth teeth trachea

atrophy

A condition of the muscles whereby they become weak from disuse is called muscular _______________________.

arthritis

A disease which can cause inflammation, stiffness, and disfigurement of the joints is called ________________________.

radius

A forearm bone

ulna

A forearm bone

flexor

A muscle that bends a joint

extensor

A muscle that straightens a joint

bursa

A sac filled with lubricant

poliomyelitis

A viral infection of the spinal cord that produces paralysis

peridontitis

Advanced disease of the soft tissues that support the teeth

muscular dystrophy

Birth defects that cause muscles to malfunction

maxilla

Bone that holds the upper teeth

appendicular skeleton

Bones associated with the arms and legs

axial skeleton

Central bones -- the skull, spine and ribs

Haversian canals

Channels in bone that contain blood vessels

ligament

Choose the correct connective tissue. Bone to bone

tendon

Choose the correct connective tissue. Muscle to muscle

clavicle

Collar bone

wisdom

Complete the following statement. The third molar at the back of the mouth is called the ____________________ tooth.

myofibrils

Complete the following statement. The tiny protein-based threads contained in each muscle fiber are called __________________________________.

myofibrils

Components of a muscle

uvula

Fleshy projection hanging down from the back of the soft palate

3

How many long bones are in each arm? 3 5 2 4

paralysis

Inability to move

bursitis

Inflammation of a bursa

arthritis

Inflammation of joints

gingivitis

Inflammation of the gums

bursitis

Inflammation of the lubricating sacs of the joints is called __________________________.

mandible

Jaw bone

patella

Knee cap

tibia

Large bone in the lower leg

tonsil

Lymph nodes at the back of your mouth

smooth

Match the muscles and their associations. arteries

smooth

Match the muscles and their associations. digestive tract

cardiac

Match the muscles and their associations. electrical nodes

skeletal

Match the muscles and their associations. extensors

smooth

Match the muscles and their associations. involuntary

skeletal

Match the muscles and their associations. tendons

skeletal

Match the muscles and their associations. voluntary

actin myosin

Myofibrils contain two different proteins known as _____________ and _________________. actin myosin sarcomere mitochondria

actin

One of the two proteins involved with muscle contraction

myosin

One of the two proteins involved with muscle contraction

ilium

One of the two upper wing bones of the pelvis

involuntary

Operate without your help

spasticity

Overactive, uncoordinated muscles

cerebellum

Part of the brain that coordinates movement

cartilage

Rubbery material that forms the extension of bones

scapula

Shoulder blade

fibula

Small bone in the lower leg

ligaments

Straps of connective tissue which holds bones together at the joints are: ____________________________________.

sacrum

The bone that forms the lower end of the spine and joins the pelvis in the back

pubis

The bone that joins the two halves of the pelvis in front

False

The bones of the skull are fused together at birth. True False

vertebrae

The bones that enclose the spinal cord are called the ____________________________________.

pectoral girdle

The bones which support the bones of the arms.

pelvic girdle

The bones which support the bones of the legs.

dentine

The bony inner substance of teeth

adenosine triphosphate

The chemical source of most of the body's energy

Achilles tendon

The connective tissue holding the muscles of the lower back leg to the heel

protect the heart connect the ribs

The function(s) of the sternum is(are) to: protect the kidneys protect the heart connect the ribs connect the pectoral girdle connect the vertebrae protect the brain

enamel

The hard outer covering of teeth

femur

The long bone of the upper leg is the ______________. fibula ulna tibia femur

jaw

The mandible is the: _________

incisors

The most forward two teeth on the upper or lower mouth are: incisors premolars cuspid canine

pulp cavity

The nerve fibers and blood vessels of a tooth are located in the: pulp cavity dentine periodontal membrane cementum gum

Haversian

The passageways which permit blood to circulate through bones are called _______________________________ canals.

knee

The patella is a bone associated with the: wrist knee skull elbow

clavicles scapulae

The pectoral girdle includes the ______________________ and the _______________________.

origin

The point where the muscle attaches to the less movable bone in the joint

insertion

The point where the muscle attaches to the more movable bone in the joint

pulp cavity

The portion of a tooth that gives you pain when the dentist drills your teeth is called the _______________________________________________.

red marrow

The production of blood cells is associated with: yellow marrow Halversian canals periosteum red marrow

extensor flexor

The skeletal type which operates to straighten a joint is called a _________________________, and the type which bends a joint is called a _________________ .

periosteum

The thin tissue that covers bone

radius ulna

The two bones of the lower arm are: radius ulna tibia humerus femur

fibula tibia

The two lower leg bones are called the _____________________ and the ______________. ulna humerus fibula femur tibia radius

calcium

The two primary substances associated with healthy bones are vitamin D and ________________________.

humerus

The upper arm bone is the: radius ulna humerus tibia

False

The uvula is commonly known as the tonsils. True False

atrophy

The wasting away of tissue

femur

Thigh bone

sugar gum disease acid bacteria

Tooth cavities are caused by: sugar gum disease acid bacteria

caries

Tooth decay; cavities

palate

Top of the mouth

ligament

Tough straps of connective tissue that hold joints together

voluntary

Under your conscious control

1% a day

Unused muscles deteriorate at a rate of about 5% a month 1% a day 5% a day 10% a year 1% a month

humerus

Upper arm bone

Haversian canal

blood vessel

marrow cavity

central hollow shaft

yellow marrow

fat cells

knee

femur and tibia

elbow

humerus, radius and ulna

red marrow

makes blood cells

hip

pelvis and femur

periosteum

protective covering

sacroiliac

sacrum and ilium

shoulder

scapula and humerus

vertebra

vertebrae, The bones of the spine