Multiple Choice
Which of these statements describes why the heart valves open and close?
A) They are attached to the heart muscle.
B) There is turbulent flow in the atria and ventricles.
C) Na+ and K+ fluxes occur during ventricular depolarization.
D) There is a pressure difference on the two sides of the valve.
Correct Answer:
Verified
Correct Answer:
Verified
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