The atrioventricular (AV) node serves to ________.
A) generate the heartbeat signal
B) propagate the beat across the atria
C) delay the heartbeat signal before transmitting it to the ventricles
D) transmit the heartbeat signal to the apex of the ventricles
E) cause the heart to relax

Question

Quizplus · Accepted Answer

The AV node serves as a delay in the transmission of the heartbeat signal from the atria to the ventricles, allowing for complete filling of blood in the ventricles before contraction. This ensures efficient pumping of blood by the heart.

The Atrioventricular (AV) Node Serves to ________