Name the structural and functional unit of all living things.
cell
The small intestine is an example of a(n) _______, because it is composed of two or more tissue types that perform a particular function for the body.
a. epithelial tissue
b. muscular tissue
c. organ
d. organ system
c. organ
The _______ system is responsible for maintaining homeostasis of the body via rapid transmission of electrical signals.
nervous
The kidneys are part of the ________ system.
urinary
The thin muscle that separates the thoracic and abdominal cavities is the _______.
diaphragm
Identify the body system.
Rids the body of nitrogen-containing wastes.
urinary
Identify the body system.
Is affected by removal of the thyroid gland.
endocrine
Identify the body system.
Provides support and the levers on which the muscular system acts.
skeletal
Identify the body system.
Includes the heart.
cardiovascular
Identify the body system.
Has a menstrual cycle in females.
reproductive
Identify the body system.
Protects underlying organs from drying out and from mechanical damage.
integumentary
Identify the body system.
Protects the body; destroys bacteria and tumor cells.
lymphatic/immunity
Identify the body system.
Breaks down ingested food into its building blocks.
digestive
Identify the body system.
Removes carbon dioxide from the blood.
respiratory
Identify the body system.
Delivers oxygen and nutrients to the tissues.
cardiovascular
Identify the body system.
Moves the limbs; facilitates facial expression.
muscular
Identify the body system.
Conserves body water or eliminates excesses
urinary
Identify the body systems.
Facilitate conception and childbearing.
reproductive and endocrine
Identify the body system.
Controls the body by means of chemical molecules called hormones.
endocrine
Identify the body system.
Is damaged when you cut your finger or get a sever sunburn.
integumentary
Identify the organ system that includes each of the following organs or structures.
thymus, spleen, lymphatic vessels
lymphatic/immune
Identify the organ system that includes each of the following organs or structures.
bones, cartilages, tendons
skeletal
Identify the organ system that includes each of the following organs or structures.
pancreas, pituitary, adrenals
endocrine
Identify the organ system that includes each of the following organs or structures.
trachea, bronchi, lungs
respiratory
Identify the organ system that includes each of the following organs or structures.
epidermis, dermis, and cutaneous sense organs
integumentary
Identify the organ system that includes each of the following organs or structures.
testis, ductus deferens, urethra
reproductive
Identify the organ system that includes each of the following organs or structures.
esophagus, large intestine, rectum
digestive
Identify the organ system that includes each of the following organs or structures.
muscles of the thigh, postural muscles
muscular
Identify the body cavity for the indicated organ.
stomach
abdominopelvic
Identify the body cavity for the indicated organ.
esophagus
thoracic
Identify the body cavity for the indicated organ.
large intestines
abdominopelvic
Identify the body cavity for the indicated organ.
liver
abdominopelvic
Identify the body cavity for the indicated organ.
spinal cord
spinal
Identify the body cavity for the indicated organ.
urinary bladder
abdominopelvic
Identify the body cavity for the indicated organ.
heart
thoracic
Identify the body cavity for the indicated organ.
trachea
thoracic
Identify the body cavity for the indicated organ.
rectum
abdominopelvic
The levels of organization of a living body include ______, ______, ______, _______, and organism.
cells, tissue, organs, organ systems
Define organ.
A structure composed of two or more different types of tissues with a particular function.
Why is it helpful to study the external and internal structures of the rat?
Many of the internal and external structures of a rat are similar in structure and function to human anatomy.