★ 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
Preview next quiz:
Identify #4 in the image:
A. Right Atrium
B. Left Atrium
C. Right Ventricle
D. Left Ventricle
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