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The biological importance of water
Member rating: No Rating | Words: | Submitted: Wed Aug 20 2003
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The biological importance of water Sepha Brook A17 Water is a simple molecule, yet it is fundamental to life. In active living cells, two-thirds, or often more, of the area is occupied by water, and two-thirds of the globe is covered in water. Water is therefore extremely abundant, and in biological terms it has great importance both inside cells, and externally, for example as a habitat. Every chemical reaction in the human body, and any other living thing require water. We use water to dilute poisonous waste and excrete as urine (toxins). Humans could survive a month without food but only a few days without water. Water can be referred to as the 'universal solvent' as more substances can be dissolved into it than any other. Often we need substances to be in a solution for our bodies to use, water makes this possible. For example plants can only...
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