CH15 Digestive
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| 1st layer of Alimentary Canal | Mucous Membrane(Passageway for food)
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| 2nd layer of Alimentary Canal | Submucosa (loose connective tissue, glands, BV's, lymphatic vessels & nerves
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| 3rd layer of Alimentary Canal | Muscular Layer (Produces movement for the tube)
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| 4th layer of Alimentary Canal | Serous Layer (outter covering of tube, secretes serous fluid which reduces friction)
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| Circular Fibers | Decrease diameter of tube
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| Longitudinal Fibers | Shortens length of tube
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| Mixing | Rhythmic contractions; mixing food with digestive juices in the stomach
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| Propelling | Pushes tubular contents further down the tube (peristalsis is an example)
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| Salivary Glands | Realease amalyse -> startch & Glycogen -> disaccharides
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| Oral Cavity | chamber between the tongue & palate
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| Vestibule | narrow space betwwen the teeth, cheeks & lips
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| Ferenulum | connects midline of the tongue to floor of the mouth
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| Primary Teeth | 20
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| secondary Teeth | 32
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| Adenoids | pharyngeal
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| Tonsils Removed | Palatine tonsils
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| incisor | chisel-shaped to bite off large pieces of food
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| cuspids | cone-shaped to grasp & tear food
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| bicuspids & molars | somewhat flattened for grinding
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| bolus | mass of saliva mixed with food
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| chyme | food particles & gastric juice
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| esophagus | connets to pharynx & stomach
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| rugae | folds inside stomach to increase surface area
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| Gastric Juice | muscous, digestive enzymes, HCL Acid
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| Carb Metabolism | maintain normal blood glucose concentration
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| Lipid Metabolsim | oxidates fatty acids; converts carbs & proteins into fats
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| protein metabolsim | deaminates amino acids to form urea
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| storage area | glycogen, iron & vitamins A, D & B12 are stored in liver
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| macrophages | destroy damaged red blood cells & remove foreign antigens in live
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| deoxification center | removes toxic substances such as alochol
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| Liver | secretes bile
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| bile | yellowish-green pigment made up of water, bile salts, bil pigments, cholesterol & electrolytes
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| bile salts | 1) help break down fat globule into smaller fat droplets 2) help with absortion of fatty acids, cholesterol, and the fat soluble vitamins
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| fat soluble vitamins | A, Dm E & K
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| water soluble vitamins | B & C
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| fats | use sparingly
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| milk | 2-3 servings
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| meat | 2-3 servings
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| vegies | 3-5 servings
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| fruit | 2-4 servings
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| bread | 6-11 servings
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| gallstones | cholesterol may precipitate and form gallstones which may block the flo of bile into small intestine
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| alimentary canal | mouth,throat, esophagus, stomach, small intestine, large intestive, anus canal
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| accessory organs | salivary glands, liver, gallbladder, pancreas
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