Question

why do we need Food?
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Answer 1

we need food to survive(live)

Answer 2

Answer:

A food is something that provides nutrients. ... energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.

(I) Carbohydrates - starches and sugars: To provide energy needed to keep the body

(II) Carbohydrates - dietary fibre: Fibre makes faeces soft and bulky and absorbs harmful ...

(III) Proteins: To build cells, body fluids, antibodies and other parts of the immune system. ...

(IV) Fats: To provide a concentrated source of energy and the fatty acids needed for grow...