Which of the following is NOT true about semilunar valves?
A) One is found at the entrance to the pulmonary trunk.
B) Their closing causes the second, shorter "dub" sound of the heartbeat.
C) They connect the atria and ventricles.
D) One is found at the entrance to the aorta.
E) They are composed of three half moon shaped flaps.
Correct Answer:
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