What is called nutrition?
Nutrition is the process of obtaining food and utilizing it for growth, repairing cells, and performing all other activities.
So, Nutrition is necessary for the growth of new cells and the replacement or repair of worn-out cells. Nutrition gives energy to different metabolic processes in the body. Nutrition is required to produce resistance against different diseases.
Nutrition is broadly classified into two categories i.e. autotrophic and heterotrophic mode of nutrition.