The “pacemaker” cells of the heart are found in the ___________.
SA node
The “pacemaker” cells of the heart are found in the sinoatrial (SA) node, which is located in the upper right atrium of the heart. The SA node generates and regulates electrical impulses that cause the heart to contract and pump blood. These impulses travel through specialized muscle cells of the heart, called the conduction system, ensuring coordinated contractions of the heart chambers. The coordinated contractions of the heart allow for efficient blood flow to the body’s tissues and organs.
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