FOOD GROUPS

FOOD GROUPS

WE NEED FOOD FOR
1. fuel for energy
2. growth/repair of tissue
3. to stay healthy
FOOD GROUPS
1. carbohydrates
  1. 5%of body mass
  2. broken down into glucose
    1. starch, cellulose and glycogen are all polymers
  3. main fuel for energy
2. Lipids/fats+Oils
  1. contain carbon, hydrogen and oxygen
  2. an essential part of cell structure
    1. insulation- reduces heat loss
  3. 10% of body mass
  4. long term energy store
  5. glycerol+fatty acids
3. proteins
  1. 18% of body mass
  2. for growth and repair and enzymes
  3. amino acids
MINERALS
1. Calcium
  1. making teeth and bones
2. phosphorus
  1. part of DNA
3. sodium
  1. in blood
4. magnesium
  1. bone development
5. iron
  1. helps carry oxygen in blood
VITAMINS
1. D
  1. growing bones
2. A
  1. light senietive chemical in retina
3. C
  1. fibres of a conective tissue
4. B
  1. respiration

Resource summary

	Created by ashley.amber almost 11 years ago