Which of the following describes the stage of the cardiac cycle shown? 
A) AV and semilunar valves both open, ventricles contracting
B) AV valves open, semilunar valves closed, ventricles contracting
C) AV valves closed, semilunar valves open, ventricles contracting
D) AV valves closed, semilunar valves open, ventricles relaxed
Correct Answer:
Verified
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