17-03-2016
Biology

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why must all living things excrete waste products

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Аноним Аноним

17-03-2016

to basically remove the poisonous substances from the body.
to build up metabolic waste.
to help the kidney

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Аноним Аноним

17-03-2016

Remember: what goes in must come out. Living things must excrete wastes to maintain homeostasis.

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