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Monthly Archives: November 2009

Blood’s Main Function

The main function of the blood is transportation. It carries warmth all over the body, takes nutrients from the intestine and oxygen from the lungs and delivers them where necessary. In lower animals, oxygen and all the other essential substances are merely dissolved in the fluid which circulates throughout their bodies. Higher animals evolved a […]

Color and Taste of Blood

The shores of our own ‘personal ocean’ are washed by waves, which are not blue but scarlet. However, the venous blood saturated with carbon dioxide and other products of metabolism has a bluish tint, a fact which seems to have been known as early as the 11th century. At any rate, the highest nobility, the […]