Multiple Choice
Which of the following actions is done by the semilunar valves?
A) prevent backflow of blood from the ventricles to the atria
B) prevent backflow of blood from the atria to the ventricles
C) prevent backflow of blood from the ventricles to the arterial trunks
D) prevent backflow of blood from the arterial trunks to the ventricles
Correct Answer:

Verified
Correct Answer:
Verified
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