The pacemaker of the heart is termed the
A) AV node.
B) cardiac center in the medulla.
C) SA node.
D) vagus nerve.
E) Purkinje fibers.

Name: The pacemaker of the heart is termed the A) AV node. B) cardiac center in the medulla. C) SA node. D) vagus nerve. E) Purkinje fibers.
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Question

Quizplus · Accepted Answer

The pacemaker of the heart is the SA (sinoatrial) node, which is located in the right atrium of the heart. It sets the rate at which the heart beats and initiates each electrical impulse that causes the heart to contract.

The Pacemaker of the Heart Is Termed the