Question

Mention any two differences between postcaval and precaval vein. please answer only if you know the answer do not answer that you don't know the answer.

Answer 1

1)

precaval vein is the superior venacava

postcaval vein is inferior venacava

2)

precaval vein collect deoxygenated blood from Upper part of body to the right auricle

postcaval vein carry blood from lower body parts to right auricle

Answer 2

Answer:

Explanation:

The postcaval vein, present in terrestrial vertebrates, is a late acquisition, both in evolution and in embryogenesis; it is a result of the intercommunication of several venous channels, including the anterior portion of the vitelline veins.

precaval vein collect deoxygenated blood from Upper part of body to the right auricle and that postcaval vein carry blood from lower body parts to right auricle

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