What are the three main types of foods? What are their constituents? Elaborate. [ 3 MARKS]

The three main types of foods are energy-giving foods, body-building foods, and protective foods.

1. Energy-giving foods: They are made of carbohydrates and fats. Carbohydrates provide us with instant energy, while fats are stored as energy resources.
2. Body-building foods: Proteins are considered to be body-building foods as they help in body growth and also help in repairing damaged parts of the body.
3. Protective foods: Protective foods are mainly vitamins and minerals since they protect us from many diseases. They give us resistance to disease-causing germs.