blood pressure is low in veins than in arteries why
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3
Answer:
Explanation:
Because the heart pumps the oxygenated blood into arteries which is at high pressure due to contraction of heart, whereas the veins only give the deoxygenated blood to the heart where no pressure is needed.
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2
Answer:
Explanation:
As the internal layer of artery or vein is called tunica interna it consist of endothelium cell and it is less faltened in artery and more faltened in vein so the lumen is small in artery and big in vein
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