Blood. One of the three important liquids of live. Blood , Water and sperm. Blood is basic important thing cause human and most of living things require blood.

Bloood fluid is circulating in the blood vessels. Blood is consisting of a liquid (plasma) in which bathe the figurative elements. The most important liquid organic which irrigates all organs, provides oxygen and nutrients and removes waste. Blood is composed of 55% plasma and 45% of cells, red blood cells, white cells and platelets.

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