Where is the impulse for the heartbeat genera | vedclass

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(A) The heart is myogenic,meaning the heartbeat is initiated by a specialized patch of cardiac muscle fibers called the $S.A.$ (Sinoatrial) node.It is

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$S.A.$ node

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(A) The heart is myogenic,meaning the heartbeat is initiated by a specialized patch of cardiac muscle fibers called the $S.A.$ (Sinoatrial) node.It is located in the right upper corner of the right atrium.It acts as the natural pacemaker of the heart because it has the highest rate of depolarization and generates the electrical impulse that stimulates the heart to contract.

Where is the impulse for the heartbeat generated?

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