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