What is excretion? How is solid and gaseous waste excreted in humans?
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excretion is the removal of toxic substances from the cell of living organism.the gaseous waste can be excreted through exhaled air
and the solid wasate is removed in the form of faeces through anus
and the solid wasate is removed in the form of faeces through anus
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After digestion of the food materials,the residual waste materials are exported from our body,this biology process is known as the excretion.
Solid waste materials are mainly excreted in the form of stool.
And the gaseous waste materials are excreted through the respiratory system and microscopic holes on our external skin.(CO2 and other harmful gases are mainly excreted by this process)
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