| A | B |
|---|
| Teeth | Cuts food into smaller pieces. |
| Tongue | Rolls out food into small balls which are swallowed. |
| Saliva | Produced in the mouth and has amylase to break down starch. |
| Digestive Enzymes | Special proteins that help break down large complex food molecules into diffusible molecules. |
| Oesophagus | A tube with elastic wall that pushes food to the stomach. |
| Stomach | Hydrochloric acid and protease is mixed with food until food is partially digested. |
| Small intestine | Digests most of the food into simpler substances. Digested food is absorbed into the blood. |
| Large intestine | Absorbs water and mineral salts from undigested food. Faeces is stored at the lower part of the small intestine. |
| Anus | The opening through which faeces is passed out of the body. |
| Rectum | Stores faeces until it is ready to be passed out of the body. |
