Food nutrition - JSS2 Home economics Past Questions and Answers - page 1

Food is necessary for life and good health. It contains nutrients which nourish the body. 

Nutrition refers to the way the body uses the food we eat. It is the sum of all the processes by which our bodies take in food nutrients for nourishment which carries out functions in our body.

1. Protein

2. Carbohydrates

3. Fats

4. Vitamins

5. Minerals

6. Water

Functions;

• Carbohydrates:

 i. Provides the body with heat and energy for work.

ii. Excess is stored as fat. 

• Proteins 

i. For growth e.g. in children, adolescents and babies.

ii. For building new tissues.

iii. For repair of worn-out or damaged tissues.

iv. Supplies energy in the absence of carbohydrate.

• Carbohydrates:

i. Marasmus

ii. Tiredness

iii. Lack of sleep.

• Proteins 

 i. Kwashiorkor

ii. Poor growth and development.

iii. General weakness.

iv. Low resistance to infection.

1. Energy 
2. Healthy life 
3. Growth