Question

The main steps of nutrition in humans are​

Answer 1

Answer:

The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion

Explanation:

The steps are as follows:-

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.