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How many action potentials can the SAN generate per minute?

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in Biology – Class 11 by (272k points)
How many action potentials can the SAN generate per minute?

(a) 40-60

(b) 80-120

(c) 12-16

(d) 70-75

The question was asked in final exam.

I'm obligated to ask this question of Human Circulatory System topic in portion Body Fluids and Circulation of Biology – Class 11

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Correct choice is (d) 70-75

Best explanation: The SAN or the sinoatrial node possesses the ability to generate action potentials without receiving any external stimuli. It is auto excitable and can generate 70-75 action potentials per minute.

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