CBSE BOARD XII, asked by aakash8477, 1 year ago

define excretioncoGF it tathakathit

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Answered by ranu34

0

In a living organism the various chemical reaction use the carbon and oxygen for energy generation. these energy generation creates by-product that are not only useless for the body cells but could be harmful. these waste by products are removed from the body and discarded outside the body called excretion

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