Intrinsic pacemaker cells are located in the ____.

Name: Intrinsic pacemaker cells are located in the ____.
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Question

Intrinsic pacemaker cells are located in the ____. ​

Quizplus · Accepted Answer

Intrinsic pacemaker cells are located in the sinoatrial (SA) node, which is located in the right atrium of the heart. The SA node is responsible for initiating the electrical impulses that start each heartbeat. The other options listed (Purkinje fibers, bundle branches, AV node, gap junctions) are not locations of intrinsic pacemaker cells.

Intrinsic Pacemaker Cells Are Located in the ____