PPT-Physical and Chemical Changes in the Digestive System

Reading to Learn Read the following passage and answer the questions that follow Terms to Know 1 Digestion is the process where food is broken down by the digestive system into small nutrients . Anatomy and physiology . Function. The digestive system is the first organ system to develop in animals.. This system allows animals to take in nutrients that provide it with energy and materials necessary to grow and maintain their bodies.. Physical changes. involve the physical tearing, grinding, crushing, and churning of pieces of food. These processes increase surface area, which helps speed up the chemical changes of digestion. . During . Digestion. Introduction. Physical Digestion. Chemical Digestion. Hepatic Portal System. Digestive System: Overview. Figure 24.1. Digestive Process. Figure 24.2. Figure 15.3. Essential Activities of Digestion. The . digestive system . is . a group of organs that work . together . to digest . food. so that it can be . used. by the body. The . digestive tract . is a series of . tubelike . organs that include your . 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).. Part 6 Review Game. NUTRARIFIC. SUGAR AND SPICE. IT’S JUICY. WAVY GRAVY. -BONUS-. UPSET AND BLOATED. 1. 6. 11. 16. *21. 2. 7. 12. 17. *22. 3. 8. 13. 18. *23. 4. 9. 14. 19. *24. 5. 10. 15. 20. *25. Copyright © 2010 Ryan P. Murphy. 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. Changes. The Difference. Physical Change . – . matter changes form . but is still made of the same molecules, typically . reversible. Chemical Change . – a . change in the molecules . occurs, . cannot be reversed. The Digestive System. Amazing Facts . . We make 1-3 pints of saliva a day.. The average male will eat about 50 tons of food to sustain weight of 150 pounds. A horse’s intestines are about 89 feet long. your folder.. Put backpack away.. Think about:. How do you think your body processes food after it gets in your mouth?. Answer. Mouth and teeth - chewing. Throat- swallowing. Stomach – “digests” food. Chapter 24 Digestive and Urinary Systems Section 1: Objectives Compare mechanical digestion with chemical digestion. Describe the parts and functions of the digestive system. The Digestive System 1. Gastrointestinal (GI) Tract. A) . Tubular . structure from mouth to anus. 2. Accessory Structures. A) . Teeth. , tongue, salivary glands, liver, gallbladder & pancreas. Digestive System. B. 6 basic processes. To assimilate . food in . bowels. The Process of Digestion. Digestion:. The process of breaking down food into its . MOLECULAR. and . CHEMICAL. components so that these nutrient molecules can cross cell membranes to be used for cellular processes. . Ingestion: . The in take of food into the digestive tract through the mouth. Mechanical Processing: . The physical manipulation of solid foods into materials that are easier to propel through the digestive tract. Also increases the solid foods surface area which makes them more susceptible to enzyme activity and easier to absorb. .