Digestive system

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Digestive system

  1. 1. How do the COMPONENTS of a SystemINTERCONNECT?<br />
  2. 2. http://www.whfoods.com/genpage.php?tname=faq&dbid=16#digestion<br />Animation of Digestion<br />
  3. 3. Title: Systems<br /> Date: August 11,2011<br />Summary:<br />
  4. 4. System<br />Digestive<br />
  5. 5. Overview of Digestion: <br />http://www.youtube.com/watch?v=uIRHfdrixmA&playnext=1&videos=qKCrsqijhhs&feature=rec-LGOUT-exp_fresh%2Bdiv-1r-1-HM<br />
  6. 6. INGESTION<br />
  7. 7. FUNCTION/ PURPOSE OF SYSTEM<br />
  8. 8. Digestion<br />breakdown of food  into molecular components small enough to cross the plasma membrane <br />
  9. 9. Mechanical Digestion<br />saliva<br />saliva<br />saliva<br />Same volume of food<br />Small total surface area<br />Larger total surface area<br />A larger surface area speeds up digestion<br />
  10. 10. Digestion<br />Definition<br />Digestion is the breaking down of food into smaller and simpler substances<br />Mechanical digestion and Chemicaldigestion do this in different ways<br />ABSORBED<br />ELIMINATED<br />
  11. 11. Absorption<br />passage of molecules into body's interior &passage throughout the body <br />
  12. 12. ELIMINATION OF WASTE<br />LARGE INTESTINES<br />REABSORBS WATER & SALTS<br />
  13. 13. STRUCTURE OF SYSTEM<br />
  14. 14.
  15. 15. TheDigestiveSystem<br />Mouth / Teeth<br />Esophagus<br />Liver<br />Stomach<br />Small intestine<br />Large intestine<br />Rectum<br />Anus<br />Appendix<br />
  16. 16. OBSERVING DIGESTIVE ORGANS<br />External and internal structure of the stomach.<br /> a. How would you describe the external appearance of the stomach?<br /> b. What is the action (behavior)of the stomach?<br /> c. How is the stomach designed to perform its function?<br />External and internal structure of the small and large intestines<br /> a. Describe the appearance of the small and large intestines.<br /> b. What are the main actions (behavior) of the small and large intestines?<br /> c. How is the small intestine designed to perform its function?<br />3. Determining the pH of gastric juice and bile<br /> a. Describe the role of gastric juice and bile in digestion.<br /> b. How is the pH of gastric juice and bile related to its role in digestion?<br />
  17. 17. BEHAVIOR<br />
  18. 18. http://www.youtube.com/watch?v=vFiavuyk31s&feature=related<br />
  19. 19. Image source: <br />http://www.flickr.com/photos/liujoanne/2172007698/<br />
  20. 20. INTERCONNECTION<br />Digestion<br />Absorption<br />Elimination of Waste<br />

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