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What is the pacemaker of the heart?

April 26, 2017heart pacemaker

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What is the pacemaker of the heart?

1 Answer

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10 Posted

The sino-atrial node is the pacemaker of the heart. The electrical impulse which regulates the rate of the heartbeat originates in this node. The impulse travels along pathways in the heart to other nodes to initiate the required muscular contractions.