DO NOT WRITE ON THIS TEST
Unit B Test: Body Works
Multiple Choice:
Choose the best answer for each question and mark the appropriate space on your
scantron sheet.
1. Which of the following structures is part of the human respiratory system?
a. artery
c. nose
b. pancreas
d. bladder
2. Which is NOT an organ of the excretory system?
a. ureter
c. rectum
b. bladder
d. kidney
3. What is an important function of the digestive system?
a. control muscle movement
c. absorb nutrients
b. absorb oxygen
d. transport nutrients
4. What is an important function of the respiratory system?
a. control muscle movement
c. absorb nutrients
b. absorb oxygen
d. transport nutrients
5. Which of the following BEST describes how the human body is organized, from the LARGEST to
SMALLEST structure?
a. organs, organ systems, tissues, cells
b. organ systems, organs, tissues, cells
c. organ systems, tissues, organs, cells
d. cells, tissue organs, organ systems
6. For food to be absorbed by your body, which of the following must occur?
a. mechanical breakdown
c. both a and b
b. chemical breakdown
d. neither a or b
7. What is transported by blood?
a. oxygen
b. carbon dioxide
c. nutrients
d. all of the above
8. Which of the following is NOT a sensory organ?
a. stomach
c. nose
b. ear
d. tongue
9. A good model of the human heart might show the heart as:
a. balloon
c. pump
b. hose
d. filter
10. The brain and spinal cord are parts of which system?
a. circulatory system
c. respiratory system
b. excretory system
d. nervous system
11. Where does blood go after it is pumped out of the left ventricle?
a. capillary
c. artery
b. vein
d. lungs
12. Which blood vessel delivers blood away from the heart?
a. atrium
c. capillaries
b. arteries
d. veins
13. Which of the following operates in the same way as a kidney?
a. storage tank
c. water filter
b. first aid kit
d. toilet
14. Where is urine stored?
a. kidneys
b. bladder
c. ureter
d. urethra
15. During digestion, what is the effect of mechanical breakdown on chemical breakdown?
a. mechanical breakdown increases the speed of chemical breakdown
b. mechanical breakdown decreases the speed of chemical breakdown
c. mechanical breakdown has no effect on chemical breakdown
d. mechanical breakdown is the same as chemical breakdown
16. Which of the following are characteristics of nutrients?
a. delivered by blood
c. absorbed from the small intestine
b. needed by every cell
d. all of the above
17. Which of the following is NOT a characteristic of the nervous system?
a. allows you to respond to stimuli.
b. has nerves leading to and from the spinal cord.
c. allows parts of your body to communicate to each other.
d. delivers nutrients throughout the body.
KEEP GOING!! YOU ARE ALMOST HALFWAY DONE 
Questions 18 – 21: Label the following diagram using the choices to the right. Mark
your choices for each question on your scantron.
18
19
a. esophagus
b. intestines
c. liver
d. stomach
20
21
Questions 22 – 25: Label the following diagram using the choices to the right. Mark
your choices for each question on your scantron.
22
23
24
25
a. bladder
b. kidney
c. ureter
d. urethra
Questions 26 – 29: Label the following diagram using the choices to the right. Mark
your choices for each question on your scantron.
a. left atrium
b. left ventricle
c. right atrium
d. right ventricle
27
26
28
29
Questions 30 – 33: Label the following diagram using the choices to the right. Mark
your choices for each question on your scantron.
30
a. alveoli
b. diaphragm
c. lung
d. trachea
31
32
33
Questions 34 – 37: Label the following diagram using the choices to the right.
34
35
a. brain
b. nerve
c. nerve cell
d. spinal cord
36
37
Essay: Choose ONE essay. Complete the following essay on a separate sheet of
paper.
A. Imagine you are a piece of candy. What type of candy would you be? Describe in order, what
you would see as you traveled through the digestive system. Make sure to include the function
of each organ.
B. Imagine you are a red blood cell in the right atrium of the heart. Describe in order, what you
would see as you traveled around the circulatory system. Make sure to include where you pick
up and drop off oxygen.
Unit B Test
Answer Key
1.C
2. C
3. C
4. B
5. B
6. C
7. D
8. A
9. C
10. D
11. C
12. C
13. C
14. B
15. A
16. D
17. D
18. A
19. C
20. D
21. B
22. B
23. C
24. A
25. D
26. C
27. A
28. D
29. B
30. D
31. C
32. B
33. A
34. A
35. D
36. B
37. C