Question

How many main food sources are there? What are their functions?

Answer 1

Explanation:

the main food energy sources are fats . proteins.carbohydrates and vitamins

fats:help to store energy in body

protiens:helps in building maintaining and repairing tissues

carbohydrates: provides energy

vitamins:helps in performing many activities in body

Answer 2

The main sources of food are wheat ,rice,bajra, barley, vegetables, and some sprouts.

Explanation:

And their functions are to increase proteins,fibers, vitamins and maintain or increase immunity against deasises.