Question

what is meant by excretion ? what ara the various waste materials excreted from the human body? why is it necessary waste products?


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Answer 1

Answer:

Excretion is a process by which metabolic waste is eliminated from an organism. ... These are known as metabolism. These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid. Accumulation of these wastes beyond a level inside the body is harmful to the body.

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