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25 Cards in this Set
- Front
- Back
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4 Main stages |
1. Ingestion 2. Digestion 3. Absorption 4. Egestion |
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Digestive Glands |
Group of specialized secretory cells found in the lining of alimentary canal/accessory organs |
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Alimentary Canal |
Passsage through which your food passes from your mouth to anus; includes esophagus, Stomach and intestines |
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Pharynx |
Tube extending from back of nasal passages and mouth to esophagus; connects mouth with esophagus and larynx with nasal passage |
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Larynx |
Passage for air, closes when you swallow |
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Epiglotis |
Flap of Cartilage stopping food from entering trachea |
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Peristalsis |
Involuntary muscle contraction that moves food along |
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Mucosa |
Inermost layer of stomach |
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Rugae |
Fold of mucosa |
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Serosa |
Holds stomach in place |
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Pepsinogen |
Inactive form of pepsin |
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Pepsin |
Enzyme that breaks down large proteins into amino acids |
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Chyme |
Thin liquid made of partly digested food |
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Liver |
Produces bile |
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Gall Bladder |
Pouch near liver, concentrates and stores bile |
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Bile Duct |
Long tube that carries bile |
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pancreas |
Secretes digestive enzymes and hormones, neutralizes acid |
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Duodenum |
1. Part of SI, where most digestion occurs |
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Jejunum |
2. Part of SI, where most absorption of nutrients and water take place |
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Ileum |
3. Part of small intestine, where absorption of nutrients and water take place |
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Villi |
Small projection on suface of SI, increases Suraface area of SI, providing better absorption of materials |
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Ulcers |
Erosion of the surface of alimentary canal, generally associated with some sort of irritant |
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Constipation |
When LI absorbs too much water |
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Appendicitis |
Inflamation of appendix due to infection |
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Heart Burn |
Acid from stomach backs into stomach |
