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Tooth Structure

Tooth Structure. Deciduous & Permanent Teeth. Objective 7:. Ingestion = taking in of food and nutrients Chewing = mastication of food and nutrients into a bolus using the mouth, teeth and tongue Swallowing = movement of bolus past pharynx and into the esophagus to undergo peristalsis.

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Tooth Structure

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  1. Tooth Structure

  2. Deciduous & Permanent Teeth

  3. Objective 7: • Ingestion = taking in of food and nutrients • Chewing = mastication of food and nutrients into a bolus using the mouth, teeth and tongue • Swallowing = movement of bolus past pharynx and into the esophagus to undergo peristalsis.

  4. Obj. 8 • Saliva--made of mostly water w/ ions, proteins, amylase, lysozyme

  5. Obj. 8 Cont. • Saliva’s function is cleanse mouth, moisten food, aid compactions, dissolve for taste, begin digestion.

  6. 9. Gastric Juices: • 3-4 L/day • HCl produced by parietal cells • Zymogenic cells secrete pepsin.

  7. Obj. 6 • What structural features of the wall of the stomach & small intestine enhance digestion?

  8. Obj. 6 • What structural features of the wall of the stomach & small intestine enhance digestion? • Rugae • Villi & Microvilli

  9. Obj. 10 Regulation • Cephalic phase- sight, smell • Gastric phase-stomach distension and pH • Intestinal phase-food reaches small intestine, stimulates

  10. Objective 11: Absorption in the small intestine • Complete the handout entitled • “Digestion in the the small intestine” to cover the information as to how nutrients are absorbed in the small intestine.

  11. Bile: Emulsify Fats Turns chyme brown Bicarbonate Ions Neutralizes the acidic chyme Obj. 12Role of Bile & Bicarbonate Ions in Pancreatic Juice

  12. Obj. 13Regulation of Pancreatic Juices • Find notes on this stuff

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