PPT-Digestion System

By Hannah Madi and Faith What is the digestive system It breaks down food into smaller substances The mouth Chemical digestion Mechanical digestion Taste buds The epiglottis Chemical digestion. By Erin and Courtney . . Evolution. Two types of digestion. Intracellular: Break down of macromolecules takes place within the cell.. Extracellular: Break down of macromolecules takes place outside of the cell. January 27, 2016. *Record Notes in your Body Systems Booklet*. Digestive System. Functions. :. Breaks down food into molecules the body can use.. Molecules are absorbed into the blood & carried throughout the body (by the circulatory system).. COMPONENTS. of a . System. . INTERCONNECT. ?. http://www.whfoods.com/genpage.php?tname=faq&dbid=16#digestion. Animation of Digestion. Digestive. System. INGESTION. FUNCTION/ PURPOSE. OF . SYSTEM. The digestive system is used for breaking down food into nutrients . which then pass into the circulatory system and are taken to where they are needed in the body.. Introduction. There . are four stages to food digestion:. To break food down into individual molecules that can be used by the body. . Can be considered a disassembly line.. The Mouth. First part of the digestive system.. Chewing is a part of . mechanical digestion. 25-. 2. The Digestive System. General Anatomy and Digestive Processes. Mouth Through Esophagus. Stomach. Liver, Gallbladder and Pancreas. Small Intestine. Chemical Digestion and Absorption. Large Intestine. Tony . Serino. , Ph.D.. Biology 201. Misericordia. University. Digestion. The reduction through mechanical and chemical means (hydrolysis) of complex food substances into simple monomers and their absorption into the internal environment.. . We are going to use household items to model the digestive system..  . Digestion Lab. Substances in food that provide raw materials and energy the body needs to live. Our digestive system turns the chemical energy in these nutrients into energy we can use. Liang. , Kimberly Maldonado , and . Julian Smith. Parts of the body that supports the Digestion . system . Mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, gall bladder, colon, anus, salivary glands, chemical digestion, mechanical digestion. Digestive System Mouth Digestion begins in the ________ . ________ begins the process of digestion __________________- is the physical breakdown of large pieces of food into smaller pieces. __________________- large food molecules are broken down into smaller food molecules with the help of different enzymes. Understanding:. The contraction of circular and longitudinal muscle layers of the small intestine mixes the food with enzymes and moves it along the gut. The pancreas secretes enzymes into the lumen of the small intestine. Nutritional Requirements. The flow of energy into and out of an animal can be viewed as a “budget”. - most of the energy taken in is used to produce ATP to power resting metabolism and temperature regulation. Bell Work. Please answer these “pre-test” questions:. 1) Which has a longer length – the large intestine or the small intestine?. 2) True or False: Digestion begins as soon as it enters the mouth. Do Now. Examine the digestive system organs below. Label any parts you already know (or think you know) in PENCIL.. . Write . any QUESTIONS you have about the digestive system in the box.. Discuss: The Pretzel’s Journey.