Biology, asked by keshavking322, 1 year ago

Why are (various) veins provided with valves brainly?

Answers

Answered by Anonymous
0
In the veins the pressure is lesser than arteries... so as to avoid backflow of blood .....
the veins are provided with valves....
Answered by killer1908
1

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.

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