Question

what is excretion in human beings?​

Answer 1

Answer:

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. Excretion is an essential process in all forms of life. For example, in mammals urine is expelled through the urethra, which is part of the excretory system.

Answer 2

Answer:

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. ... Excretion is an essential process in all forms of life. For example, in mammals urine is expelled through the urethra, which is part of the excretory system.

Explanation:

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