CHAPTER 9: THE DIGESTIVE SYSTEM 4 Label the parts of the digestive system using the following words.


1. Stomach 2. Liver 3. Small intestine


4. Large intestine 5. Rectum 6. Oesophagus


7. Anus 8. Duodenum 9. Gall bladder


10. Pancreas 11. Mouth 12. Colon


5 Match each part of the digestive system with its function. Mouth Oesophagus Stomach Liver Pancreas


Rectum Anus


Part of system Function Food is broken down and nutrients are absorbed Provides additional enzymes to help digest all sorts of food Faeces is pushed through here and out of the body Faeces is stored here until it is ready to leave the body Where water is reabsorbed Chews up food and mixes it with saliva Joins the mouth to the stomach. Food is squeezed down it Produces bile which helps with the digestion of fat Bag with strong muscles that mixes food with acid and begins to break it down


Small intestine


Large intestine


46


UNIT 3: BIOLOGICAL SYSTEMS


BIOLOGICAL WORLD


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