digestive system

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al3xfl3t3s
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45496
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digestive system
Updated:
2010-11-02 08:05:49
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digestive system
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digestive system
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  1. what are the 2 components of the serosa?
    • 1.connective tissue layer
    • 2.peritoneum
  2. muscularis is composed of wich 2 layers?
    • 1.circular muscle layer
    • 2.longitudinal muscle layer
  3. submucosa is composed of?
    hint 2 components.
    • 1.gland in submucosa
    • 2.duct form gland
  4. Mucosa is composed of:
    hint 3 components
    • 1.Mucous epithelium
    • 2.Lamina Propria
    • 3.Muscularis mucosae
  5. wall of the GI tract is composed of wich layers?
    hint: 4 layers
    • 1.Serosa
    • 2.submucosa
    • 3. mucosa
    • 4. muscularis
  6. Name the 4 sphincters in the digestive system?
    which valve connects the ilium and the secum?
    • 1. upper esophageal sphincter.
    • 2. Lower esophageal sphincter
    • 3. pyloric sphincter.
    • 4. iliosecum valve
    • 5. external rectal sphincter.
  7. 1. what 3 glands are located in your mouth and used for digestion and what do each one of them secrete?
    • a. parotid gland. 1. saliva
    • b. submandibular gland. 1. saliva 2. mucous.
    • c. Sublingual gland. 1. mucous
  8. a.where does digestion begin?
    b.what enzymes are used for digestion?
    • 1.Mouth
    • 2.Amylase
  9. What is the function of the rectum.?
    stores and expels feces
  10. What substances are absorbed in the Colon.
    Hint: 5 substances
    • 1. Na, K
    • 2. Acids and bases
    • 3. H2O
  11. What are the substances absorbed in the small intestine?
    Hint: 14 substances
    • 1. Ca, Mg, Fe
    • 2. Glucose
    • 3. Fat-soluble vitamins
    • 4. Water-soluble vitamins
    • 5. Amino acids
    • 6. alcohol 80%
    • 7. Fats
    • 8. Na, K
    • 9. H2O
    • 10. Vitamin B12
    • 11. Bile
  12. What substances does the stomach absorb?
    • 1. alchohol 20%
    • 2. aspirin
  13. what are the 4 absorbtion sites in the digestive system.
    • 1. Stomach
    • 2. Small intestine
    • 3. Colon
    • 4. Rectum
  14. Aspirin and 20% of alcohol are absorbed in the stomach while acid/bases, electrolytes and water are absorbed in...
    1. the large intestine..
  15. The four functions of the digestive system are
    • 1. digestions
    • 2. motility
    • 3. secretion
    • 4. absorption
  16. Bile is produced in the ?.
    Liver.
  17. The greater duodenal papilla delivers materials
    to the lumen of the small intestine from the ? and the ?.
    • Gallbladder
    • Pancreas
  18. The three portions of the small intestines are the ? - ? and the ?..
    • duodenum
    • jejunum
    • ilium
  19. The folds in the stomach that allow for expansion when eating are called ?.
    Rugae.
  20. The are the teeth used for ripping and and tearing.
    canines
  21. The gland located in the upper cheek region is
    known as the ? gland and it produces ?.
    • parotid gland
    • Saliva
  22. Of the four layers of the wall of the gastrointestinal tract, the the one that surrounds the mucosa and houses glands.
    -Submucosa

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