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Chapter 8, lesson 1: How the body digests food notes Digestion: Your your body to use. system food for Food contains . Food is much to enter cells it must be broken down into . Food must be . Food contains: , ,& Digestion cells to use. from food for your Digestion begins inside your : Your your . and chew and crush food while turns the food over. digestion makes food smaller. release saliva (contains ) digestion Enzyme = protein that causes reactions) (speeds up into sugars. in saliva break down Different enzymes work in different areas of the digestive system The esophagus: When you swallow, the food moves from your mouth into your From the pharynx, it enters the Long that connects the mouth to the (throat). . . Smooth muscles , or squeeze together. Pushes food down toward the stomach. = the moves food through digestive system. that The stomach: Food enters the stomach where walls . Churns and of the stomach food Digestive juices are secreted into the mixed food and . Special lining stomach from acids until it of food are broken down further . = liquefied food that exits the stomach The small intestine: A coiled that is about (13-23 feet) long digestion occurs here Organs and glands digestion: : makes that breaks apart : molecules bile. Bile enters small intestine via bile duct. : gland that secretes carbohydrates, proteins and fats. Food molecules are now small intestine to be taken to your cells. that digest to be by Finger-like structures called line the small intestine. so more can into the blood vessels of the villi. be carries food to your cells. The large intestine: Some material cannot be by . It is sent to the large intestine . Main function: Remove from undigested material Water is to the body. Undigested material forms a Stored in called . for a short time. Smooth muscles contract and push through an The complete journey of food through the about hours. called the out of the body . takes