ANATOMY chap 1
An organ is best described as which of the following?
A structure composed of at least two different tissues, with recognizable boundaries, and with a discrete function
The study of the makeup and organization of body structures is called human_______
Anatomy
Identify the two major body regions.
Appendicular Axial
What is the smallest particle of matter with a unique chemical identity?
Atom
How is the hierarchy of the body organized? Top being least complex and bottom most complex!
Atom Cell tissue organ organ system organism
Abdominal cavity
Contains stomach, intestines, spleen, and liver, and other organs
Parasagittal
Divides body into unequal right and left sides
Sagittal plane
Divides body or an organ into any right and left portions
True or false: A tissue is more complex than an organ.
False
Distal
Farther from the point of attachment
Identify the statements that describe a person in anatomical position.
Feet flat on the floor Standing upright Palms directed forward
The axial region includes
Head, neck, and trunk Forms the main vertical axis of the body
System: Reproductive
Male and female reproductive system
Identify the human organ systems classified in internal communication and integration.
Nervous system Endocrine system
Ipsilateral
On the same side of the body
A microscopic structure in a cell that carries out individual functions is known as a(n) ______.
Organelles
The abdominal region can be divided into segments. Which scheme uses four lines intersecting in a tic-tac-toe grid dividing the abdomen?
Regions
Medial
Toward the midline of the body
Ventral
Towards the anterior side
The appendicular regions of the body
Upper limbs and lower limbs
An organelle is best described as ______.
a microscopic structure in a cell that carries out individual function
Superior
above
The common frame of reference used by anatomists to describe the relationship between body parts is called ______ position.
anatomical
The study of the organization and form of body structures is called _____.
anatomy
The smallest particle of matter with unique chemical properties is a(n)
atom
Lateral
away from the midline
Inferior
below
System of fluid transport
circulatory and lymphatic
Proximal
close to the point of attachment or origin
Superficial
closer to the body surface
thoraric cavity
contains heart and lungs
Cranial cavity
contains the brain
vertebrae canal
contains the spinal cord
Transverse section
cut made along a horizontal plane to divide the body into upper and lower regions
The contents of a cell between its plasma membrane and its nuclear envelope, consisting of cytosol, organelles, inclusions, and the cytoskeleton is known as
cytoplasm
The elbow is ______ to the shoulder and ______ to the wrist.
distal, proximal
frontal section
divides the body into anterior and posterior parts
midsagittal plane
divides the body into equal right and left portion
Anterior
front of the body
Systems of protection, support, and movement
integumentary, skeletal, muscular
An anatomical plane that divides the body into equal right and left halves is ______, while a plane that divides the body into unequal right and left portions is ______.
midsagittal, parasagittal
Two or more atoms joined by chemical bonds would form a(n)
molecule
Two or more atoms joined by chemical bonds would form a(n) ______.
molecule
System of internal communication and integration
nervous system and endocrine system
Contralateral
on the opposite side of the body
Any anatomical structure that is composed of at least two different tissue types, has recognizable structural boundaries, and has a discrete function different from the structures around it is a(n) _________.
organ
A group of organs working together for a coordinated function is an ______.
organ system
The directional term indicating towards the back of the body is
posterior
The most important characteristic of a microscope with regard to the clarity and detail of a specimen is its
resolution
System of intake and output
respiratory system, urinary system, digestive system
The directional term that means "above" is
superior
The neck is ______ to the thorax and _____ to the head.
superior, inferior
A group of organs working together for a coordinated function is an organ
system
Dorsal
toward the back
Posterior
toward the back of the body
Rostral
toward the forehead or nose
Cephalic
toward the head
Caudal
towards the tail or inferior end