Question

Mention and explain the various steps involved in the process of nutrition in humans?

Answer 1

Answer:Five steps in the process of Nutrition in Animals

These are: Ingestion, Digestion, Absorption, Assimilation and Egestion. Ingestion: is the process of taking food in to the body or 'eating of food' by the animal. When we put food in to our mouth with hands, we are ingesting it.

Explanation:

Answer 2

$\textbf{Nutrition }$:

Various aspects of obtaining food, mode of intake of food and its utilisation in the body for growth and development is known as nutrition.

Various steps of nutrition are as follows :

$\textbf{Ingestion}$:

The act of getting and eating food collectively are called ingestion.

$\textbf{Digestion}$:

The breakdown of food into simpler and soluble molecules inside the body is called digestion.

$\textbf{Absorption}$:

The process by which soluble molecules present in the digested food passes into the body fluids like blood is called absorption.

$\textbf{Assimilation}$:

The process in which the absorbed food is used for producing energy and growth is called assimilation.

$\textbf{Egestion}$:

The process by which the undigested food materials are thrown out of the body is called egestion.