Water
Regular amounts of clean, pure water are an absolute must
if life is to be sustained. Water makes up more than one-half of the total
composition of the mature animal's body and is involved in almost every
metabolic process. Blood, the medium by which nutrients are carried to various
parts of the body, is approximately 80% water. Water serves as an efficient
solvent in cells where the major biochemical processes of digestion,
assimilation, metabolism and respiration occur. Water is necessary for the regulation
of body temperature. And, finally, water is valuable in the elimination of
waste from the body.
Without proper water intake, tissues dehydrate and digestion, along with other
metabolic processes, is severely altered. The body's cells, which derive their
oxygen from the bloodstream, are starved as the blood becomes concentrated. If
just one-tenth of the body's water is lost, death will result.
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