Question

Name the steps involved in the process of holozoic nutrition

Answer 1

Answer:

1. Ingestion

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

2. Digestion

         In digestion the ingested food is converted into simple form with the help of digestive enzymes.

3. Absorption

         In this stage the food digested in second step is absorbed into the cells of body. 

4. Assimilation

         Assimilation is the process of utilizing the food absorbed in third step by various cells of the body.

5. Egestion

         Egestion is the final step of holozoic nutrition in which the undigested food is removed from the body.

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.