NUTRITION

1. Main source of energy
   1. Example : rice, beef, bread

1. builds new cell for growth & replace damage cells
   1. Example : fish, beef, chicken

1. acts as a heat insulator & protects internal organs
   1. Example : Chocolate, butter, cheese

1. maintain body temperature
   1. 8 glasses a day

1. helps the movement of food through digestive tract (to avoid constipation)
   1. Example : Fruits, vegetables, Nuts, Barley

1. Vitamin A : carrots
2. Vitamin B : shellfish, nuts, egg, soymilk
3. vitamin C : mostly vegetables and fruits
4. Vitamin D: milk, cheese, dairy product

Nota:

• eating unbalanced diet

1. Marasmus (carbohydrate)
2. Kwashiorkor (protein)
3. Anemia (iron)
4. Goitre (iodine)
5. Osteoporosis (calcium)
6. Beri-beri (vitamin B)
7. Scurvy (vitamin C)
8. Rickets (vitamin D)
9. Constipation (dietary fibre)
10. Night blindness (vitamin A)
11. Dehydration (water)

1. Carbon
   1. Form carbohydrats, proteins and fats
2. Hydrogen
3. Oxygen
4. Nitrogen
   1. form hormones, proteins, chlorophyll
      1. stunted growth, leaves small, yellow, drop easily
5. Phosphorus
   1. flowers & fruits production
      1. poor growth (roots), few flower & fruits
6. Potassium
   1. Leaves turn yellow
      1. Plants weak and die before maturing

1. Copper
2. Boron
3. Zinc