Do you know your body chemistry? (2)

About 70% of the body’s weight is water and over half of it is contained inside the cells themselves.  Most of the remainder is a bath witch surrounds the cells.  A fraction of it forms the liquid part of the blood.

As the blood courses through the tiny capillaries that pass close to every cell, some of the liquid diffuses out, carrying nutrients into the cellular bath to provide the materials cells need for life.  At the same time a bit of the bath containing waste products of the cells is drawn out into the bloodstream and goes to the kidneys, where it is purified.







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