Biology, asked by geetanjalidhami208, 3 months ago

Veins are thin walled and have valves. Justify

Answers

Answered by bhavyamishra30

1

Answer:

veins have thin walls as they are singled cell walls. thay have valves to prevent the flow of blood backward

Answered by anagathalamadhavi601

7

Answer:

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

hope it helps you army.......

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