Question

Define excretion in human beings and plants?

Answer 1

it is the waste materials of our body which does not have any work in our body.if it's remains in our body then it will harmful for us.

Answer 2

Excretion is the physical process of eliminating waste, especially in a living organism. ... All living things have some form of excretion — in people, some waste is excreted in the form of urine, while the excretion of plants results in carbon dioxide and water being released.