Question

veins have valves but arteries don have valves but still, blood flows in the same direction
pls guys answer fast more 20 points

Answer 1

Hello mate,

Here is your answer,

Veins carry the blood back to the heart. They're similar to arteries but not as strong or as thick.

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.)

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Answer 2

Answer:

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.) Valves also help blood travel back to the heart against the force of gravity.

Explanation:

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