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

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Liver and GallbladderMain secretion of liver is bilea fluid with bile pigmentsand bile saltsBile pigments are waste productsfrom destruction of red blood cellsBile salts are lipid and water solubleEmulsify fatsAllows faster digestion of fatBile is stored and concentrated in gall bladderFatty food in duodenum triggers contraction of gallbladder torelease bileContraction of gallbladder may result in pain under right shoulderblade
Regulatory Functions of the LiverHepatic portal vein carries blood from stomach and intestine to liverLiver absorbs or chemically modifies substancesAlcohol, drugs, toxins metabolized by liver cellsAmmonia from intestinal bacteria converted into ureaControls level of many substances produced by bodySteroid hormones converted into less active formsTerminal products of metabolism eliminated in feces or throughkidneysProduces proteins found in blood plasmaIncludes most blood clotting factorsMaintains blood protein concentrationwithin narrow limits
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 and 8: Parietal cells secrete HCl and intr
Page 9 and 10: Small Intestineabout 6 m longcompos
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: Pancreas is also an endocrine gland
Page 23: Passage of chyme from stomach inhib

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

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