Multiple Choice
During ventricular systole
A) only the AV valves open.
B) only the AV valves close.
C) only the semilunar valves close.
D) the semilunar valves close and the AV valves open.
E) the semilunar valves open and the AV valves close.
Correct Answer:
Verified
Correct Answer:
Verified
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