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Define the following: Excretion - Biology

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Question

Define the following: 

Excretion 

Definition

Solution 1

During different metabolic activities taking place in our body, the body produces many substances, of which some are useful and some are useless.
The process of removing useless and harmful metabolic waste substances is called excretion.

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Solution 2

The process of removal of chemical wastes (Mainly Nitrogenous) from the body is known as ''excretion''. It plays an important role in maintaining the homeostatic (steady-state) condition of the body.

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Chapter 5: Excretion in Humans - Short answer questions

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Selina Concise Biology [English] Class 7 ICSE
Chapter 5 Excretion in Humans
Short answer questions | Q 2.1

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