Biology, asked by jassi576, 10 months ago

L. Explain why?
a) Arteries have valves only at the beginning whereas veins have valves throughout.
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Answers

Answered by Anonymous

Answer:

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.) Valves also help blood travel back to the heart against the force of gravity.

Explanation:

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Answered by yadavmuskan7481

Answer:

arteries are the veins which start from heart to the entire body(which supplies blood from heart to body).

Explanation:

Unlike arteries, veins contain valves that ensure blood flows in only one direction. But, Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction. Valves also help blood travel back to the heart against the force of gravity.

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