............ can generate the maximum number | vedclass

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(B) The $SAN$ (Sino-Atrial Node) is a specialized patch of tissue present in the right upper corner of the right atrium.It has the unique ability to g

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$SAN$

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(B) The $SAN$ (Sino-Atrial Node) is a specialized patch of tissue present in the right upper corner of the right atrium.It has the unique ability to generate action potentials without any external stimuli (auto-rhythmic).It generates the maximum number of action potentials ($70-75$ per minute) compared to other parts of the heart's conduction system.Because it initiates and maintains the rhythmic contractile activity of the heart,it is known as the natural pacemaker of the heart.

............ can generate the maximum number of action potentials and is responsible for initiating and maintaining the rhythmic contractile activity of the heart. Therefore,it is called the pacemaker.

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