Multiple Choice
During the period of ventricular filling ________.
A) the aortic and pulmonary semilunar valves are open
B) blood flows mostly passively through the atria and the open atrioventricular (AV) valves into the ventricles
C) the atria remain in diastole
D) pressure in the heart is at its peak
Correct Answer:

Verified
Correct Answer:
Verified
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