function of carbohydrates
short term energy
function of lipids
long term energy + insulation
function of proteins
growth + repair of muscles and tissue
function of vitamin A
prevents night blindness, supports immune system
function of vitamin C
prevents scurvy
part of collagen production, which makes skin, hair, gums and bones
function of vitamin D
helps absorption of calcium, strengthens bones
function of calcium
strengthens bones and teeth, prevents osteoporosis
function of iron
component in haemoglobin, carries oxygen to respiring cells, prevents anaemia
function of fibre
helps digestion, prevents constipation
function of water
a medium for chemical reactions to take place