Biology, asked by Anonymous, 3 months ago

Veins are thin walled and have valves. Justify


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Answers

Answered by vibhawaripal48
2

Answer:

because the blood there is no longer and under pressure and they have value to ensure blood flow in one direction

Answered by Harshshahi19
1

Answer:Justify. Solution : Veins have thin walls because the blood there is no longer under pressure and they have valves to ensure blood flow in one direction.

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