Question

Arteries have thick elastic walls, but viens do not need thick walls. Answer

the above statement with scientific reasons.​

Answer 1

Answer:

The heart pumps blood at high pressure. If arteries have thin walls they would burst because of high blood pressure. That is why arteries have thick walls.

The returning blood in the veins is under low(er) pressure. Because of the lower pressure, vein walls are thinner. However, veins also have one-way stop valves to keep blood from flowing backwards.

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