Medical Quiz
Cardiovascular System Quiz

What is the main function of the heart?

A. To prevent blood from moving in the wrong direction

B. To regulate body temperature

C. To pump blood throughout the body

D. To replace oxygen with carbon dioxide

Select your answer:
A  B  C  D  E 


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Other quiz: Cell Review

The movement of particles from an area of high concentration to an area of low concentration

A. active transport

B. osmosis

C. diffusion

D. random movement