Veins have valves which allow blood to flow inone direction.arteries do not have valves.yet blood flows in one direction only.give reason
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hello mate
The reason if that heart pumps the blood and it enters arteries, the push is so strong that it do not require valve.
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Unlike arteries, veins contain valvesthat ensure blood flows in only one direction. (Arteries don't require valvesbecause pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help bloodtravel back to the heart against the force of gravity.
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