Question

what do you mean by excretion​

Answer 1

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Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell.

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Answer 2

Explanation:

the act or process of passing waste from the body : the process of excreting waste

: waste passed from the body : excreted matter