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