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1、會計學1DigestionandInfectiousDiseasesPP消化消化和傳染病和傳染病PP6.1 Digestion第1頁/共52頁6.1 Digestion第2頁/共52頁6.1 DigestionMolecule typeMolecular form ingestedMolecular form after digestionproteinproteinamino acidslipidstriglyceridesglycerol and fatty acidscarbohydratespoly/di/monosaccharidesmonosaccharidesnucleic ac

2、idsDNA/RNAnucleotides第3頁/共52頁6.1 Digestion第4頁/共52頁6.1 Digestion第5頁/共52頁6.1 Digestion第6頁/共52頁6.1 Digestion第7頁/共52頁6.1 DigestionAmylaseProteaseLipaseExample of this enzymeSalivary amylasePepsinPancreatic lipaseSourceSalivary glandWall of stomachPancreasSubstrateStarchProteinsTriglycerides (fats or oil

3、s)Productsmaltose and glucoseSmall polypeptidesFatty acids and glycerolOptimum pHneutral (pH 7)Acidic (pH 3)Neutral (pH 7)第8頁/共52頁6.1 DigestionIn order:MouthEsophagusStomachSmall IntestineLarge Intestine (colon)Rectum第9頁/共52頁6.1 Digestion第10頁/共52頁6.1 Digestion第11頁/共52頁6.1 Digestion第12頁/共52頁6.1 Diges

4、tion第13頁/共52頁6.1 Digestion第14頁/共52頁6.1 Digestion第15頁/共52頁6.1 Digestion第16頁/共52頁6.1 Digestion第17頁/共52頁6.1 DigestionSubstrateSourcepH optimumAtriglyceridespancreaspH = 7Bfatty acidssmall intestinepH = 7Ctriglyceridessmall intestinepH = 9Dfatty acidspancreaspH = 9第18頁/共52頁6.1 DigestionStomachSmall Inte

5、stineLarge IntestineAYesYesYesBYesNoYesCYesNoNoDNoNoNo第19頁/共52頁6.1 Digestion第20頁/共52頁6.1 DigestionIIIApancreasliverBsmall intestinelarge intestineCgall bladderpancreasDesophagusstomach第21頁/共52頁6.1 Digestion第22頁/共52頁6.1 DigestionAssimilationAbsorptionAlipids are broken down by enzymeslipids are inges

6、tedBlipids are incorporated into new membraneslipids pass into the viliClipids pass into the villilipids are incorporated into new membranesDlipids are ingestedlipids are broken down by enzymes第23頁/共52頁6.1 Digestion第24頁/共52頁6.3 Defense against infectious disease第25頁/共52頁6.3 Defense against infectiou

7、s disease第26頁/共52頁6.3 Defense Against Infectious Diseases第27頁/共52頁6.3 Defense Against Infectious Diseases第28頁/共52頁6.3 Defense Against Infectious Diseases第29頁/共52頁第30頁/共52頁第31頁/共52頁6.3 Defense Against Infectious Diseases第32頁/共52頁Area w/ Mucus MembraneWhat it is/doesTracheaTube carried air to and from

8、 lungsNasal PassagesTubes allow air to entier the nose and then the tracheaUrethraTube carried urine from bladder to outsideVaginaReproductive tract leading from uterus to the outside第33頁/共52頁6.3 Defense Against Infectious Diseases第34頁/共52頁6.3 Defense Against Infectious Diseases第35頁/共52頁6.3 Defense

9、Against Infectious Diseases第36頁/共52頁6.3 Defense Against Infectious Diseases第37頁/共52頁6.3 Defense Against Infectious Diseases第38頁/共52頁6.3 Defense Against Infectious Diseases第39頁/共52頁6.3 Defense Against Infectious Diseases第40頁/共52頁6.3 Defense Against Infectious Diseases第41頁/共52頁6.3 Defense Against Infectious Diseases第42頁/共52頁6.3 Defense Against Infectious Diseases第43頁/共52頁6.3 Defense Against Infectious Diseases第44頁/共52頁6.3 Defense Against Infectious Diseases第45頁/共52頁6.3 Defense Against Infectious Diseases第46頁/共52頁6.3 Defense Against Infectious Diseas

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