The Vertebrate (mostly human) Digestive System Mouth ...

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Little absorption occurs in stomach - some water, alcohol, aspirinChyme leavesstomach and entersduodenum throughpyloric sphincterCapacity ofduodenum is smallcompared to stomachRate of dumpingcontrolled bynervous system andhormones
Small Intestineabout 6 m longcomposed of three sections - duodenum, jejenum, ileummost digestion occurs in duodenum and jejunumDuodenum is 25 cm long - remainder is jejenum and ileumreceives chyme, pancreatic enzymes, bile from liverEpithelial wall hasmany folds - villiVilli have cytoplasmicprojections-microvilliBoth increase surfacearea for absorption andsecretion
Page 1 and 2: The Vertebrate (mostly human) Diges
Page 3 and 4: The MouthThe teeth cut and grind fo
Page 5 and 6: EsophagusUpper 1/3 of esophagusenve
Page 7: Parietal cells secrete HCl and intr
Page 11 and 12: Accessory OrgansPancreasPancreas -
Page 13 and 14: Fats hydrolyzed into fattyacids and
Page 15 and 16: Large Intestine (colon)Has no diges
Page 17 and 18: The rectum - terminal portion of th
Page 19 and 20: Pancreas is also an endocrine gland
Page 21 and 22: Regulatory Functions of the LiverHe
Page 23: Passage of chyme from stomach inhib

The Vertebrate (mostly human) Digestive System Mouth ...

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