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


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