निम्न में से कौन सा मानव परिसंचरण तंत्र का भाग नहीं है heart (2) vein (3) artery (4) villi
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( 4 ) villi मानव परिसंचरण तंत्र का भाग नहीं है ।
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4) villi .
villi is not a part of human circulatory system.
it is present in small Intestine and help in the absorption of digested food by Increasing the surface area of the Wall of small Intestine.
Explanation:
heart ---- pumps the blood through the body.
artery ---+ they carry oxygenated blood
veins ==> they carry deoxygenated blood.
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