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How many action potentials can the SAN generate per minute?(a) 40-60(b) 80-120(c) 12-16(d) 70-75The 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

Answer»

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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