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Organs of the Digestive System

Anna Ward Ridge Road MS. Organs of the Digestive System. The Digestive System is t he body system which breaks down food so that cells can use it for energy. It includes: Esophagus Stomach Small Intestine Large Intestine. Do Now!!! Page 31.

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Organs of the Digestive System

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  1. Anna Ward Ridge Road MS Organs of the Digestive System

  2. The Digestive System is the body system which breaks down food so that cells can use it for energy. It includes: • Esophagus • Stomach • Small Intestine • Large Intestine Do Now!!! Page 31

  3. http://www.brainpop.com/health/bodysystems/digestivesystem/preview.wemlhttp://www.brainpop.com/health/bodysystems/digestivesystem/preview.weml The Digestive System

  4. DIGESTION is the process of breaking down food into usable materials • The DIGESTIVE SYSTEM transforms the energy and materials in food to forms your body can use. • Food breaks down both MECHANICALLY and CHEMICALLY about the digestive system…

  5. An Activity!!! Please listen carefully and follow my directions. Do not eat the bread!!! Mechanical Vs. Chemical Digestion…

  6. Major Organs of the digestive System

  7. Mechanical and Chemical Digestion begin here The lipsandtongueposition the food for chewing and swallowing Theteethbreak apart the food Saliva (Spit) from glands softens the food The mouth

  8. After you swallow, the tongue pushes food into your throat • The tube that connects your mouth to your stomach is your • The esophagus transports food from the mouth to the stomach • Water = 2 seconds Solid food = 8 seconds EsoPhagus ESOpHAGUS

  9. Smooth muscle in the STOMACH continue to mix and mash food • More chemicals are added to break down food • INCLUDES A VERY STRONG ACID • Stomach is lined with mucus to protect it Stomach

  10. Other Organs are Important too!!! • Liver • Gallbladder • Pancreas Special Organs of the Digestive System

  11. The LARGEST internal organ Stores unneeded proteins It FILTERS blood. Has BILEthat helps break down fats Liver

  12. Tiny pear-shaped sac connected to the LIVER BILEfrom the liver is stored here and then secreted into the small intestine Gall Bladder

  13. Located between the stomach and intestine Lowers acidity in the small intestine Important for absorbing food substances Pancreas

  14. Food moves from the stomach to the small intestine • Food goes through chemical digestion in the small intestine • Villa in the small intestine absorb the nutrients • The average length of an adult is about 23 feet!!!!! Small intestine

  15. Large Intestineis sometimes called the COLON Water and some nutrients are absorbed The remaining material is compacted and removed as waste (feces) through the rectum. Large Intestine

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