This document contains a quiz about various body systems including the respiratory, nervous, digestive, and circulatory systems. It includes true/false and multiple choice questions testing knowledge of topics like the major organs of the respiratory system, the functions of neurons and dendrites, the roles of different parts of the digestive system like the mouth, stomach and intestines, and components of the circulatory system including veins and red blood cells. It also has short answer questions about mechanical vs chemical digestion, the function of the circulatory system, how the nervous system transmits messages of pain, and the respiratory and circulatory systems' roles during exercise.

1. Name: Date:
Body Systems for Quiz
True/False
1. The lungs and bronchi make up the two major organs of the
respiratory system.
a. True
b. False
2. In the nervous system, the dendrites functions to connect the
messages sent by other neurons.
a. True
b. False
3. The mouth is only responsible for the mechanical digestion of food.
a. True
b. False
4. The large intestine functions mainly to finish the mechanical
digestion of food.
a. True
b. False
5. During inhalation, the diaphragm moves up.
a. True
b. False
6. The peripheral nervous system is composed of the cranial nerves and
the spinal nerves.
a. True
b. False
7. A neuron gets messages from branches of the cell called dendrites.
a. True
b. False
8. The liver is an organ that assists in excretion.
a. True
b. False
9. The vessels that are so small that the blood cells go through
single file are called capillaries
a. True

2. b. False
Multiple Choice
1. The tube that connects the mouth to the stomach is the
a. trachea
b. esophagus
c. pancreas
d. liver
2. Peristalsis in the alimentary canal is caused by the
a. contraction of muscle layers
b. action of digestive enzymes
c. stretching of the mucosa
d. closing of the epiglottis
3. Small projections on the inner surface of the small intestine are
called
a. ducts
b. hairs
c. cilia
d. villi
4. Gastric juice is produced in the
a. liver
b. mouth
c. stomach
d. large intestine
5. The factor that is most important for the diffusion of oxygen from
the alveoli to the blood is the
a. concentration of carbon dioxide in the blood
b. concentration gradient for oxygen between the blood and lungs
c. thickness of respiratory membrane
d. surface area of all respiratory membranes together
6. Which of the following is correct concerning the concentration of
gases in the blood entering the vessels surrounding the alveoli?
a. high oxygen, high carbon dioxide
b. high oxygen, low carbon dioxide
c. low oxygen, high carbon dioxide
d. low oxygen, low carbon dioxide
7. What is the purpose of the veins?
a. To check your pulse
b. To carry blood away from the heart
c. To help you think

3. d. To carry blood to the heart
8. In a common scientific diagram, what colour is usually associated
with veins?
a. green
b. purple
c. red
d. blue
9. Which of the following is not true of a red blood cell?
a. It is very flexible.
b. It carries oxygen.
c. It carries carbon dioxide.
d. It is also known as a platelet.
10. If a person breathes 20 breaths/min, how many times does that
person breathe in a day?
a. 288
b. 480
c. 1800
d. 28 800
11. The elimination of urine is
a. a reflex in adults
b. excretion
c. not essential
d. nephritis
12. Which is the waste substance produced in the liver?
a. ammonia
b. urea
c. urine
d. salt
Short Answer
Describe mechanical and chemical digestion, and explain the difference
between them.
What is the function of the circulatory system?

4. If you were to touch a hot stove with a bare hand, how does the
message get back to the hand to pull away?
You are playing basketball outside on a beautiful day. As you are
running around you notice that you begin to sweat and breathe faster.
What two systems are at work and what are they doing for your body at
that moment?
One out of every ten people who attempt to climb Mount Everest dies.
How do you think their deaths relate to the idea of respiration?
What are the main functions of dendrites and axons?
You are on the basketball court and you notice that your breathing has
increased and that you are sweating. What two systems are at work and
what is each system doing for your body?