Meaning of Food
Food is any substance which when taken into the body, serves to nourish and build up tissues as well as provide needed energy.
Classes of Food
There are six classes of food, namely:
- Carbohydrates
- Proteins
- Fats and oil
- Mineral salts
- Vitamins
- Water
| Classes of Food | Sources | Functions | |
| Carbohydrate | yam, garri, cassava, yam flour, maize, wheat, potato |
Provides the body with energy |
|
| Proteins | meat, beans, fish, soya beans, eggs, peanuts, cheese, chicken. |
For growth and repair of body tissues. |
|
| Fats and oils | palm oils, groundnuts oil, butter, margarine, sardine, pork, egusi oil, cod liver oil |
Provides the body with heat and energy for daily activities. |
|
| Mineral salts | milk, meat, liver, cheese, vegetable and sea foods |
Proper functioning of the body. |
|
| Water | rain, spring, brooks, vegetables, fruits, beverages and tea |
For easy digestion and maintenance of body fluid. |
|
| Vitamins | liver, eggs, fish, oil, citrus, and tomatoes |
For protection against diseases. |
|
EVALUATION
- How many groups can we classify food?
- What are the functions of classes of food?
See also
Rules and Regulations Governing Shot Put