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Tag Archives: oxygen

Containers for Haemoglobin

It is very convenient to transport haemoglobin in a spe­cial container inside the erythrocytes, but, as the saying goes, every cloud has a silver lining. The erythrocyte, being a living cell, does itself consume a great deal of oxygen. Nature hates wastefulness and had to think hard of a way of cutting down this unnecessary […]

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 […]