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Your DIGESTIVE SYSTEM breaks down food into the nutrients your body needs. Express Lesson Pages 538-539 *only 9 more slides to go To provide a quick overview of the digestive system before we discuss specific details http://www.youtube.com/watch?v=Z7xKY Nz9AS0 Digestive System Video Digestive System Components Esophagus Stomach Small Intestine Large Intestine Gall bladder Liver Pancreas Esophagus The tube that connects your mouth and your stomach Stomach A stretchy bag that holds your food after you eat Helps to break food into chyme Little to no digestion of nutrients actually occurs here Chyme moves into the small intestine after leaving the stomach ◦ Tube that is 20 feet long. ◦ Food stays in your small intestine for 4 to 8 hours Lined with villi which absorbs nutrients Small Intestine Tube that is 5 feet long Gets waste from small intestine Waste stays for 10 to 12 hours Absorbs water and some minerals like sodium Large Intestine PANCREAS Helps your body break down carbs and proteins in the small intestine Produces insulin and glucagon which regulates sugar levels Located under your liver What other organs play a role in the digestive system? LIVER Factory for antibodies and bile ◦ Breaks down wastes and poisons from the blood Stores vitamins, minerals and sugars until your body needs them What other organs play a part in the digestive system? How do you take care of your digestive system? Eat foods that are high in fiber like fruits and vegetables Drink plenty of water Chew your food completely before you swallow Avoid foods high in fat REVIEW QUESTIONS Explain the path food takes in the body Discuss the role(s) of the large intestine. Discuss what happens in the stomach during digestion. What do the pancreas and the liver do during digestion? Discuss the role(s) of the small intestine.