Which structure acts as the pacemaker of the | vedclass

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(C) The $SA$ node (Sinoatrial node) is a specialized patch of cardiac muscle fibers located in the right atrium of the heart.It is known as the natura

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$SA$ node

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(C) The $SA$ node (Sinoatrial node) is a specialized patch of cardiac muscle fibers located in the right atrium of the heart.It is known as the natural pacemaker because it has the ability to generate action potentials spontaneously at a higher rate than any other part of the heart.These electrical impulses initiate the contraction of the heart muscle,thereby regulating the heartbeat.

Which structure acts as the pacemaker of the heart?

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