What is the difference between excretion and defecation? Explain the process of excretion in humans.
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Explanation:
The respiratory system removes the Nitrogen in the air, and excretion removes the nitrogen in food and other products through sweat, urine, and sometimes feces.
Defecation is the removal of all the waste and undigested food out of the alimentary canal through the anus.
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Answer:
The respiratory system removes the Nitrogen in the air, and excretion removes the nitrogen in food and other products through sweat, urine, and sometimes feces.
Defecation is the removal of all the waste and undigested food out of the alimentary canal through the anus.
Explanation:
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