Spontaneous depolarization of the nodal tissue in the sa node occurs at ____________ action potentials per minute:

1 answer:

8 0

<span>It is 70-80 action potentials per minute. </span>The rate of phase 4 depolarization in the SA node sets the Heart rate, <span>The SA node serves as the Pacemaker</span> It has the greatest automaticity And ability to spontaneously generate an action potential.

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