Digestive System

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Mouth
- Oesophagus
  - Stomach
    - Small intestine
      - Large intestine
        Rectum
        Stores faeces until egestion
        
        Excess water reabsorbed
      - Completes digestion
      - Where nutrients are reabsorbed into the body
    - Produces hydrochloric acid to kill bacteria
    - Produces pepsin (a protease)
  - Peristalsis forces food down to the stomach
- Amylase in saliva breaks down starch
- Teeth mechanically break down food
Liver produces bile
- Gall bladder stores bile
  - Released into small intestine
    - Pancreas produces protease, amylase and lipase