All living organisms need food. We need food for the following reasons:

It helps us to replace old and damaged tissues

It keeps us healthy and helps us to fight diseases

It gives us energy and warmth

It provides raw materials for body growth

Food substances:

Primary food substances(food necessary for maintaining life)

Carbohydrates

Proteins

Fats

Water

Protective foods (food necessary for keeping us healthy)

Vitamins

Minerals

Dietary fibres

What is Balanced Diet?

What is ANOREXIA?

What is a Vegetarian?

What is good habit of eating?

What is food additives?

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