Environmental Sciences, asked by indirabharne, 1 month ago

give reason:
1. veins are provided with valves.

Answers

Answered by 070307

Answer:

The main function of the valves in veins is to prevent back flow of blood. Blood in the arteries, after being pumped by the heart, are under much higher pressure than blood in veins so there is no need for valves in arteries to prevent back flow.

Answered by TaniyaArmy

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give reason:1. veins are provided with valves. ​

Answers

give reason:
1. veins are provided with valves.