1. _______helps stop bleeding. *

A. white blood cells
B. red blood cells
C. blood platelets
D. hemoglobin

2. It is the largest blood vessel that takes oxygenated blood from the heart. *

A. aorta
B. capillary
C. arteriole
D. venule

3. Which best describe the circulatory system? *

A. It is the body’s “transport system”.
B. It is the body’s “delivery system”.
C. It is the body’s “pick-up system”.
D. It is the body’s important system.

4. Trace the flow of blood from the heart to the different parts of the body. *

A. right atrium → right ventricle → lungs → left atrium
→ right ventricle → body cells
B. right atrium → right ventricle → lungs→ left atrium
→ left ventricle → body cells
C. right atrium → left atrium → lungs → left ventricle
→ left atrium → body cells
D. right ventricle → right atrium → lungs
→ left ventricle→ left atrium → body cells

5. Which statement best describe capillaries? *

A. Carry deoxygenated blood to the brain.
B. Protect our body from harmful bacteria.
C. Remove waste that stay in the veins.
D. The exchange of materials between the blood and tissue occurs.

6. It pumps and pushes blood to all parts of the body. *

A. platelets
B. aorta
C. heart
D. blood vessels

7. What do you call the largest artery in the body? *

A. aorta
B. arteriole
C. capillaries
D. veins

This is a required question

8. Which serves as highways of information from the different parts of the body? *

a. Brain
b. Neuron
c. Spinal cord
d. Spinal column

9. Brain, spinal cord, and neuron are parts of nervous system’s _________ division? *

a. Autonomous nervous system
b. Central nervous system
c. Peripheral nervous system
d. Sympathetic nervous system

10. Peripheral nervous system is consisting of ______________? *

a. brain and spinal cord
b. brain and neurons
c. all neurons except on the brain and spinal cord
d. Sympathetic nervous system​​