Question

Explain the steps in nutrition.
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Answer 1

Explanation:

(a) The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.

Answer 2

Answer:

1) Ingestion:

The process of taking food into the body is called ingestion.

2) Digestion:

the process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called digestion.

3) Absorption:

The process in which the digested food passes through the intestinal wall into blood stream is called absorption.

4) Assimilation:

The process in which the absorbed food is taken in by the body cells and used for energy, growth and repair is called assimilation.

5) Egestion:

The process in which the undigested food is removed from the body is called egestion.

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Explanation:

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