Chemistry, asked by parulsaini684, 4 days ago

give न् r neason values are presen a zt in veins

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Answered by broshni836

Answer:

Explanation:

Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction

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give न् r neason values are presen a zt in veins​

Answers

give न् r neason values are presen a zt in veins