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CH15 Digestive
| Question | Answer |
|---|---|
| 1st layer of Alimentary Canal | Mucous Membrane(Passageway for food) |
| 2nd layer of Alimentary Canal | Submucosa (loose connective tissue, glands, BV's, lymphatic vessels & nerves |
| 3rd layer of Alimentary Canal | Muscular Layer (Produces movement for the tube) |
| 4th layer of Alimentary Canal | Serous Layer (outter covering of tube, secretes serous fluid which reduces friction) |
| Circular Fibers | Decrease diameter of tube |
| Longitudinal Fibers | Shortens length of tube |
| Mixing | Rhythmic contractions; mixing food with digestive juices in the stomach |
| Propelling | Pushes tubular contents further down the tube (peristalsis is an example) |
| Salivary Glands | Realease amalyse -> startch & Glycogen -> disaccharides |
| Oral Cavity | chamber between the tongue & palate |
| Vestibule | narrow space betwwen the teeth, cheeks & lips |
| Ferenulum | connects midline of the tongue to floor of the mouth |
| Primary Teeth | 20 |
| secondary Teeth | 32 |
| Adenoids | pharyngeal |
| Tonsils Removed | Palatine tonsils |
| incisor | chisel-shaped to bite off large pieces of food |
| cuspids | cone-shaped to grasp & tear food |
| bicuspids & molars | somewhat flattened for grinding |
| bolus | mass of saliva mixed with food |
| chyme | food particles & gastric juice |
| esophagus | connets to pharynx & stomach |
| rugae | folds inside stomach to increase surface area |
| Gastric Juice | muscous, digestive enzymes, HCL Acid |
| Carb Metabolism | maintain normal blood glucose concentration |
| Lipid Metabolsim | oxidates fatty acids; converts carbs & proteins into fats |
| protein metabolsim | deaminates amino acids to form urea |
| storage area | glycogen, iron & vitamins A, D & B12 are stored in liver |
| macrophages | destroy damaged red blood cells & remove foreign antigens in live |
| deoxification center | removes toxic substances such as alochol |
| Liver | secretes bile |
| bile | yellowish-green pigment made up of water, bile salts, bil pigments, cholesterol & electrolytes |
| 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 |
| fat soluble vitamins | A, Dm E & K |
| water soluble vitamins | B & C |
| fats | use sparingly |
| milk | 2-3 servings |
| meat | 2-3 servings |
| vegies | 3-5 servings |
| fruit | 2-4 servings |
| bread | 6-11 servings |
| gallstones | cholesterol may precipitate and form gallstones which may block the flo of bile into small intestine |
| alimentary canal | mouth,throat, esophagus, stomach, small intestine, large intestive, anus canal |
| accessory organs | salivary glands, liver, gallbladder, pancreas |
Created by:
MT17
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