3 years ago

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

1 answer:

8 0

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

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I hope this helps!