| A | B |
| carbohydrate | fuel for respiration |
| protein | for growth and repair |
| fibre | aids digestion and absorbtion |
| fats | stored energy/heat insulation |
| minerals | e.g. iron for blood,calcium for bone |
| amylase | breaks down starch to glucose |
| iodine | starch turns it blue |
| benedicts reagent | glucose turns it orange after heating |
| amino acids | product of protein digestion |
| fatty acids | product of fat digestion |
| balanced diet | aids good health |
| large intestine | site of water reabsorbtion |
| ileum of small intestine | site of nutrient absorbtion into circulation |
| villi/micovilli | increase surface area of small intestine |
| pancreas | makes digestive enzymes(& insulin) |
| vitamins | e.g.A,B.C,D help metabolic reactions |
| mechanical digestion | role of teeth |
| faeces | remains of indigestible material |
| stomach | HCl and gastric juices breakdown protein |
| gall bladder | stores blie that helps digest fats |