The command for the heartbeat starts from____
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Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart: SA node (sinoatrial node) – known as the heart's natural pacemaker. The impulse starts in a small bundle of specialized cells located in the right atrium, called the SA node.
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The sinoatrial node (also known as the SAN) is a group of cells located in the wall of the right atrium of the heart.
Hence Human heart is Myogenic i.e excitation is commanded by muscles instead of neurons.
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