Biology, asked by singhahilya570, 7 months ago

What happens during atrial contraction?

Answers

Answered by MysteriousAryan

Answer:

Atrial depolarization initiates contraction of the atrial musculature. As the atria contract, the pressure within the atrial chambers increases, which forces more blood flow across the open atrioventricular (AV) valves, leading to a rapid flow of blood into the ventricles.

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