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Question

What is nutrition? Explain the different stages in the process of nutrition.​

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Solution

The process of intake of food and its utilization by organisms is called nutrition. The different stages in the process of nutrition are as follows:​
  1. Ingestion – The first step of taking in food.​
  2. Digestion – The process in which organic factors of food are broken down into simpler components.​
  3. Absorption – The process of receiving digested food into the body.​
  4. Assimilation – The process in which absorbed components become part of the body.​
  5. Egestion – The process in which unwanted by products are removed from the body.​

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