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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
Question
What is meant by autoexcitability of SA node?
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Answer

Since the muscles of sinoatrial node can generate action potentials without any external stimuli, it is called autoexcitable.

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