Science, asked by karansharma2636, 9 months ago

why the veins are provided with valve? why the arteries have thick wall?

Answers

Answered by Varunmonster1

9

Answer:

veins are provided with valves to prevent the backflow of blood carried by veins. Arteries are thick walled because they need much pressure to pump the blood throughout the body and thick walls provide that pressure. ... The pressure in our arteries is more than in veins as the blood has to reach throughout our body.

Explanation:

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Answered by viji18net

2

Answer:

Veins are thin-walled and have valves that prevent the blood from flowing back in the wrong direction.

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