In humans,blood passes from the post caval ve | vedclass

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(D) Blood flows from the post caval vein (inferior vena cava) into the right atrium due to a pressure gradient. During the diastole of the heart,the r

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Pressure difference between the post caval vein and the atrium

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(D) Blood flows from the post caval vein (inferior vena cava) into the right atrium due to a pressure gradient. During the diastole of the heart,the right atrium relaxes,creating a lower pressure compared to the venous system. This pressure difference allows blood to flow passively from the higher pressure area (veins) to the lower pressure area (atrium).

In humans,blood passes from the post caval vein into the diastolic right atrium of the heart because of:

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