7.How does nutrition in human being occurs.
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Explanation:
In this process food is placed into the alimentary canal. After the food enters the alimentary canal it must be digested. ... Through absorption the products of digestion enter into the blood or lymph. After the food is absorbed the nutrients are brought to the body cells.
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Human beings are hetrotrophs.
They feed on other animals or plants.
Food is first taken into the mouth which is called INGESTION.
Then it is sent into the stomach where it is DIGESTED.
From there food goes into the small intestine where the nutrients in the food are ABSORBED.
Then the waste material is DEFECATED through the anus.
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