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Category Archives: Blood features and functions

Sanitarians of Leucocytes

Saturday, December 5, 2009

Blood is not merely a means of transportation, it per­forms other important functions. Flowing through the body’s vessels, the blood in the lungs and intestines comes into close contact with the environment. Both the lungs and especially the intestines are the ‘dirtiest’ places in the organism. It is no wonder that in these sites bacteria [...]

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Red Blood Corpuscles

Tuesday, December 1, 2009

From the outset, nature went in for creating very large molecules, from ones with a molecular weight twice that of an atom of hydrogen, the lightest substance, to ones occasionally even ten million times greater. Such proteins cannot pass through the cell membranes. They ‘get stuck’ even in quite large pores, and this is why [...]

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Blood’s Main Function

Sunday, November 29, 2009

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 special [...]

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Color and Taste of Blood

Sunday, November 29, 2009

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 favourites [...]

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