The document summarizes the human digestive system. It describes how food is broken down as it passes through the mouth, esophagus, stomach, small intestine, and colon. Key steps include chewing and mixing with saliva in the mouth, peristalsis to move food through the esophagus, churning and breaking down of proteins in the acidic stomach, further breakdown of nutrients by enzymes in the small intestine, and water absorption with waste formation in the colon. The end products are then excreted from the body.

1. The digestion process

18. Digestion Questions!

19. How much did you remember? What enzyme is in saliva? What does that help break down? What breaks down in the stomach? What happens to food that can’t be digested? What is the function of bile?

20. Well here’s what I got! 1)Amylase 2) That starts to break down carbohydrates 3) Proteins, by an enzyme called protease 4) It is passed out of the body through the anus 5) It allows fats and digestive juices to mix. Well done 5/5!

21. So what do I get for 100%? Sweeties! To do some of your own digestion! Take a look at this too! http://www.medtropolis.com/VBody.asp (right click and open hyperlink, click on English, digestive tract and then guided tour!)