消化管1(口腔-雙語(yǔ)版)-展示頁(yè)
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【正文】 e and vertical muscles of tongue ? Extrinsic muscles of tongue – Genioglossus ? Arises from mental spine of mandible and inserts into either side of midline of tongue ? Action: acting together draw tongue forward and downward (depresses and protrudes tongue )。 ? deciduous canine。Alimentary canal Composition Alimentary Canal Duodenum, Jejunum, Ileum Alimentary Glands Sup. Alim. Canal Inf. Alim. Canal Function: ingestion, digestion, absorption, egestion Mouth Pharynx Esophagus Stomach Small intestine Large int estine Major salivary glands Liver Pancreas Cecum, Appendix, Colon, Rectum, Anal canal Tracing Toast mouth pharynx esophagus stomach duodenum jejunum ileum cecum ascending colon transverse colon descending colon sigmoid colon rectum anus feces toast Tracing a piece of toast through the alimentary canal Digestive Process ? Ingestion – intake of food ? Digestion – breakdown of food bit by bit into molecules small enough to be absorbed ? Mechanical Digestion – physical breakdown of food ? Chemical Digestion – chemical breakdown of macromolecules to monomers ? Absorption – transport of productions into the blood ? Elimination (Defecation) elimination of undigested waste Digestive Enzymes Break down plex substances into simpler substances that can be absorbed by the body Digestive Enzymes Compl
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