The heart initiates its own action potentials without any external stimulation.

Name: The heart initiates its own action potentials without any external stimulation.
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The heart has its own intrinsic electrical system that generates spontaneous action potentials which initiate cardiac contractions. This system is controlled by a group of specialized cells known as the sinoatrial (SA) node, located in the right atrium of the heart.

The Heart Initiates Its Own Action Potentials Without Any External