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It is water which makes up about 99% of all molecules in me and you, and about 60% of your and my weight. Because the body contains around 45 litres of water of which around 30 litres is in our body cells and 15 litres are extra cellular.

This water is very important to our well being, because it is the medium in which our metabolic reactions are transported. This is what keeps our heart and other body functions working.

Our blood plasma also conveys water to all our body tissues and it carries our excess water from our tissues through our livers, kidneys, lungs and skin. water

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10y ago

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