Question

Veins have valves but arteries don't, why?

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Answer 1

Answer:

Hey mate here is ur answer :

⏩Veins have valves to prevent back flow of blood , as blood flows with high pressure in arteries so it do not require any valves .⏪

✨Hope this helps u..!!✨

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Answer 2

Veins carry the blood back to the heart. ... Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.)