12. Why is it necessary to excrete waste products?
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10
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it is necessary to excrete waste from the body. As if excretion will not take place then foreign particles may accurate inside the body. Which is very harmful , can cause illness.
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excretory waste products like ammonia, urea, creatinine need to be excreted because if they are not removed from the body these chemicals and nitrogenous waste can damage our organs. for ex if urea is not removed then our kidney may be damaged. so for proper functioning in body excretion is necessary
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