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Answer:
The waste materials produced during metabolic activities are toxic to the body and must not be stored there; instead, they must be excreted out through the excretion process.
The significance of excretion
During the functioning of body cells, certain waste and harmful substances are produced. Urea, for example, is an example of a hazardous waste product. When toxic materials are not removed from the body, they mix with the blood and cause damage to the body’s cells. As a result, the removal of such poisonous waste materials is required.
