Multiple Choice
When the ventricular walls contract,the
A) bicuspid valve opens and the tricuspid valve closes.
B) tricuspid valve opens and the bicuspid valve closes.
C) bicuspid and tricuspid valves close.
D) bicuspid and tricuspid valves open.
E) semilunar valves close.
Correct Answer:

Verified
Correct Answer:
Verified
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