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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Excretion
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INFOTEXT
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1992-09-03
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319b
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Excretion in biology, is the removal of waste
products from the cells of living organisms.
In plants and simple animals, waste products
are removed by diffusion, but in higher
animals they are removed by specialized
organs. In mammals the kidneys are the
principle organs of excretion.
Subject by: Robert Small