Multiple Choice
What causes the sounds that one hears as the heart beats?
A) the turbulence created as the valves close
B) the turbulence created as the valves open
C) the bulk movement of blood into and out of the ventricle
D) the snapping of the valves into the open position
E) the snapping of the valves into a closed position
Correct Answer:
Verified
Correct Answer:
Verified
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