1. Review of Body Systems for Quiz
True/ False
The heart and stomach make up the two major organs of the digestive
system.
a. True
b. False
In the digestive system, the trachea functions to connect the mouth to
the stomach.
a. True
b. False
The main structure where gas exchange occurs in the lungs is the
alveoli.
a. True
b. False
The heart has four chambers.
a. True
b. False
All arteries carry oxygenated blood.
a. True
b. False
The central nervous system is composed of the cranial nerves and the
spinal nerves.
a. True
b. False
A neuron gets messages from branches of the cell called dendrites.
a. True
b. False
Multiple Choice
The digestion of all types of nutrients is completed in the
a. stomach
b. esophagus
c. small intestine
d. large intestine
The organ that releases bile into the small intestine is the

2. a. gall bladder
b. pancreas
c. liver
d. colon
The correct order of food passage through the digestive system is
a. appendix, small intestine, rectum, large intestine
b. large intestine, small intestine, rectum, anus
c. small intestine, large intestine, rectum, anus
d. stomach, pancreas, liver, small intestine
Which of the following occurs when you inhale?
a. ribs go up, diaphragm goes up.
b. ribs go up, diaphragm goes down.
c. ribs go down, diaphragm goes down.
d. ribs go down, diaphragm goes up.
The blood vessels directly involved in gas exchange are
a. capillaries
b. bronchioles
c. arteries
d. veins
What do red blood cells carry to the body?
a. nerves
b. sweat
c. heat
d. oxygen
What is the purpose of the arteries?
a. To check your pulse
b. To carry blood away from the heart
c. To help you think
d. To carry blood to the heart
What is the correct order of blood flow through a human body, from the
point when oxygen physically enters the body?
a. Lungs ¢ heart ¢ capillaries ¢ veins ¢ arteries
b. Lungs ¢ heart ¢ arteries ¢ veins ¢ capillaries
c. Lungs ¢ heart ¢ arteries ¢ capillaries ¢ veins
d. Veins ¢ lungs ¢ heart ¢ arteries ¢ capillaries
The blood clot that forms when you cut yourself is helped by
a. plasma
b. white blood cells
c. red blood cells
d. platelets

3. Which statement is correctly associated with the circulatory system?
a. The right side pumps blood directly to the lungs.
b. Arteries carry blood to the heart.
c. The main function of red blood cells is to carry carbon dioxide
to the cells.
d. Capillaries function to remove gases and nutrients from the
lungs.
Excretion is the
a. removal of indigestible feces only
b. liberation of energy from food
c. removal of metabolic wastes
d. dissolving of insoluble foods
Which of these is not an organ of excretion?
a. liver
b. kidney
c. skin
d. stomach
Some things that need to get out of a cell are
a. carbon dioxide and oxygen
b. carbon dioxide and liquid wastes
c. blood and oxygen
d. blood and carbon dioxide
Nephrons are to the kidneys as __________ are to the lungs.
a. capillaries
b. alveoli
c. urethra
d. mouth
The part of the nervous system that is your control centre for your
whole body is
a. nothing
b. neuron
c. brain
d. spinal cord
One of these is not a component of the nervous system; it is
a. blood
b. brain
c. sense organs
d. spinal chord

4. Short Answer
What is the function of peristalsis in the digestive system?
Describe mechanical and chemical digestion, and explain the difference
between them.
Explain where and how the nutrients are absorbed into the blood from
the digestive system
What effect does exercise have on the breathing rate? Why?
What is the function of the circulatory system?
What system is very closely related to the excretory system? Explain
how these two systems interact with each other.
If you were to touch a hot stove with a bare hand, how does the
message get back to the hand to pull away?