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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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Objective 7
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.


Obj 8
Obj. 8

  • Saliva--made of mostly water w/ ions, proteins,

    amylase,

    lysozyme


Obj 8 cont
Obj. 8 Cont.

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


9 gastric juices
9. Gastric Juices:

  • 3-4 L/day

  • HCl produced by parietal cells

  • Zymogenic cells secrete pepsin.


Obj 6
Obj. 6

  • What structural features of the wall of the stomach & small intestine enhance digestion?


Obj 61
Obj. 6

  • What structural features of the wall of the stomach & small intestine enhance digestion?

    • Rugae

    • Villi & Microvilli


Obj 10 regulation
Obj. 10 Regulation

  • Cephalic phase- sight, smell

  • Gastric phase-stomach distension and pH

  • Intestinal phase-food reaches small intestine, stimulates


Objective 11 absorption in the small intestine
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.


Obj 12 role of bile bicarbonate ions in pancreatic juice

Bile:

Emulsify Fats

Turns chyme brown

Bicarbonate Ions

Neutralizes the acidic chyme

Obj. 12Role of Bile & Bicarbonate Ions in Pancreatic Juice


Obj 13 regulation of pancreatic juices
Obj. 13Regulation of Pancreatic Juices

  • Find notes on this stuff


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