Question

list various steps in the process of Nutrition

Answer 1

Different steps in the process of nutrition in animals

There are five steps in the process of nutrition in animals.

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

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

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

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.

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

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.