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WHAT IS EGESTION?
Egestion is the removal of undigested food or faeces from the gut. In most animals, egestion takes place via the anus, although the invertebrate flatworms must use the mouth because their gut has no exit. Egestion refers solely to indigestible matter which is never absorbed into the cells.It should not be confused with excretion, which is getting rid of waste formed from the chemical reaction of the body, such as in urine, sweat. 


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