valves are not present in arteries,but present in veins. Why?
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★ In arteries blood flow in very high pressure so there is no need of valves but in veins blood flow in less pressure ★
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Valves are present in veins because it will stop the backward flow of oxygenated blood.Arteries didn't contain any valves.Valves acts as a wall for passage of blood in heart......
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