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Excretion in Humans — BIOLOGY STD 7 — Question

ICSE BoardEnglish MediumSTD 7BIOLOGYExcretion in Humans2 Marks
Question
Define the following:
Excretion
✓

Answer

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 removal of useless and harmful metabolic waste substances is called excretion.

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