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example present a diagram of the digestive system on the Computer. Label the oesophagus, stomach, large intestine and small intestine. Alternatively, print the diagrams from the learning object and display them. Ask for volunteers to explain in their own words how digestion happens. Revise with them the main processes of the digestive system. What happens in your stomach when you swallow food? What is saliva? What does it do? Does the food go first to the large intestine or the small intestine? Arrange students in pairs. The partnered students will help each other paste the main parts of the digestive system on their body outlines. Use materials to improvise parts of the digestive system; for example, tubing and egg cups. Extension activities Conduct a drama session in which students take on the role of different parts of the digestive system and role-play the processes of digestion.

example of a lesson