Multiple Choice
The AV node is important because it
A) directs electrical impulses from the ventricles to the atria.
B) delays the transmission of the electrical impulses to the ventricles in order for the atria to finish contracting.
C) serves as the pacemaker in a normal heart.
D) electrically opens the AV valves.
E) None of these answers are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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