Directions Follow the instructions to go through the simulation Respond to the questions and prompts in the orange boxes Vocabulary absorption amino acid carbohydrate chemical digestion chyme complex carbohydrate digestion digestive system elimination enzyme fat fatty acid fiber food calorie mechanical digestion monoglyceride nutrient peristalsis protein starch sugar villus Prior Knowledge Questions Do these BEFORE using the Gizmo 1 Why do we need to eat food 2 How do you think our bodies break food down into useful nutrients Gizmo Warm up The digestive system is a group of organs that does three things First the digestive system breaks food down into useful nutrients a process called digestion Next the nutrients move into the bloodstream a process called absorption Finally the leftover waste is removed from the body a process called elimination With the Digestive System Gizmo you can arrange the organs of the digestive system any way you like To begin look at the organs on the LARGE ORGANS tab Place your cursor over each organ to learn more about it 1 Which organs allow nutrients to be absorbed 2 Which organ stores and compacts waste before it is eliminated Mouthpharynx The mouth contains teeth which start mechanical digestic small pieces The tongue helps to push food back into the 3 Which two organs help to break food down mechanically