Science, asked by allu1018, 5 months ago

veins are thin walled and have valves . justify

Answers

Answered by akatare575gmailcom

60

Answer:

they handle very less pressure of blood that flows from different organs to the heart

Answered by viji18net

28

Answer:

Veins are thin-walled and have valves that prevent the blood from flowing back in the wrong direction.

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