Why is excretion necessary
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All organisms need to perform the life processes to prevent extinction, or dying out. ...Excretion is the removal of waste products by an organism. Some waste products are sweat, urine, and carbon dioxide. Without the excretory system many problems can develop in the body.
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Excretion is necessary as due to purification of blood many N2 - waste products and gases or the excretory product like ammonia , urea and uric acid are very toxic substance can cause serious diseases if not take out from our body .
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