What is the difference between excretion and egestion?

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Chapter 16

NCERT

Class 11

Biology

Solutions

What is the difference between excretion and egestion?

Question:

What is the difference between excretion and egestion?

Answer:

Though both remove waste, excretion deals with metabolic wastes like urea, while egestion deals with undigested food removed through the anus.

Process	Type of Waste	System Involved	Example
Excretion	Metabolic wastes (urea, CO₂)	Excretory system	Urine formation
Egestion	Undigested food	Digestive system	Passing stool

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