what is the difference between igestion and nutrition?
Answers
Answer:
Explanation:
The main difference between ingestion and digestion is that ingestion is the taking of food into the body whereas digestion is the breakdown of food into small molecules that can be absorbed by the body. ... Chemical digestion facilitates the absorption of nutrients from the alimentary canal.
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Answer:
Nutrition is the process of obtaining and utilizing food by organisms. It includes all the processes by which a body takes, digests, absorbs and then later uses food. It is not only the consumption of food, but it also includes the use of nourishing material present on the food. Thus, it can be called as the sum of all these processes (ingestion, digestion, absorption, assimilation and egestion).
Digestion refers to the process of breaking down of food into molecules that can be utilized by body cells. It occurs at levels like multicellular, cellular and sub-cellular levels. In most vertebrates, this process includes various stages. Typically, it includes mechanical manipulation and some chemical actions. It is basically a form of catabolism and can be simply stated as a breakdown of macro food molecules into the smaller ones
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