Biology, asked by bnirajan2005, 10 months ago

why valves are present in viens

Answers

Answered by MrEccentric

To prevent the backflow of blood, and to ensure the separation of the oxygenated and deoxygenated blood present in the capillaries and the veins respectively...

Answered by aaroonithegreat

Answer:

veins contain valves as they control the direction of the blood flow

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