Question

Why are valves between auricle and ventricle different?

Answer 1

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$\mathfrak{\blue{Answer.}}$As the ventricle pressure becomes greater than that in the auricles, thevalves are tightly closed and so prevent blood from being forced backward into the auricles. While theauricles are relaxing from the contraction, blood flows into themfrom the veins as the contraction of the ventricles is initiated.
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