Notes accessory organs digestive system

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Notes accessory organs digestive system

  1. 1. Notes: Accessory Organs (pg 10)
  2. 2. Output (pg 11)• Paste the diagram on the top of pg 11• Label the stomach, duodenum, and jejunum
  3. 3. Liver• Largest gland (1.5 kg). Located just below diaphragm. Larger on right side
  4. 4. Liver• Largest gland (1.5 kg). Located just below diaphragm. Larger on right side• 2 major lobes (right and left) and 2 smaller lobes (caudate and quadrate)
  5. 5. Liver• Largest gland (1.5 kg). Located just below diaphragm. Larger on right side• 2 major lobes (right and left) and 2 smaller lobes (caudate and quadrate)• Functions: produces bile, stores glucose as glycogen and releases it when blood sugar is too low, detoxifies poisons, excretes waste products in bile, filters the blood (contains phagocyticKupffer cells)
  6. 6. Liver Disease• Hepatitis: Inflammation of the liver. Caused by virus. Spread by contaminated food, sexual contact, shared needles
  7. 7. Liver Disease• Hepatitis: Inflammation of the liver. Caused by virus. Spread by contaminated food, sexual contact, shared needles• Cirrhosis: Chronic inflammation causing the liver to become hard and fibrous. Caused by alcoholism and hepatitis
  8. 8. Gallbladder• Pear-shaped sac attached to the underside of the liver
  9. 9. Gallbladder• Pear-shaped sac attached to the underside of the liver• Stores and concentrates bile
  10. 10. Gallbladder• Pear-shaped sac attached to the underside of the liver• Stores and concentrates bile• Delivers bile to the duodenum via the common bile duct
  11. 11. Gallbladder• Pear-shaped sac attached to the underside of the liver• Stores and concentrates bile• Delivers bile to the duodenum via the common bile duct• Gallstones: If bile becomes too concentrated it can crystalize. Gallstones are very sharp, causing severe pain. Can block bile duct leading to jaundice
  12. 12. Output (pg 11)• On diagram: Label liver and gallbladder
  13. 13. Bile• Yellowish-green fluid. Produce about 1 liter per day
  14. 14. Bile• Yellowish-green fluid. Produce about 1 liter per day• Slightly alkaline (pH = 8) so it helps neutralize acidic chyme
  15. 15. Bile• Yellowish-green fluid. Produce about 1 liter per day• Slightly alkaline (pH = 8) so it helps neutralize acidic chyme• Contains water, bile salts (emulsifying agents that break large fat globules into tiny droplets), and bile pigments (waste products. Primarily bilirubin from the breakdown of red blood cells)
  16. 16. Output (pg 11)• Draw diagram of emulsification
  17. 17. Pancreas (pg 10)Endocrine and exocrine portions
  18. 18. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar
  19. 19. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar• Exocrine: Makes bicarbonate (neutralizes acidic chyme) and digestive enzymes and empties them into the duodenum via the pancreatic duct
  20. 20. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar• Exocrine: Makes bicarbonate (neutralizes acidic chyme) and digestive enzymes and empties them into the duodenum via the pancreatic duct – Pancreatic amylase: Breaks starch into disaccharides
  21. 21. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar• Exocrine: Makes bicarbonate (neutralizes acidic chyme) and digestive enzymes and empties them into the duodenum via the pancreatic duct – Pancreatic amylase: Breaks starch into disaccharides – Trypsin: Breaks proteins into peptides
  22. 22. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar• Exocrine: Makes bicarbonate (neutralizes acidic chyme) and digestive enzymes and empties them into the duodenum via the pancreatic duct – Pancreatic amylase: Breaks starch into disaccharides – Trypsin: Breaks proteins into peptides – Peptidase: Breaks peptides into amino acids
  23. 23. Pancreas (pg 10)Endocrine and exocrine portions• Endocrine: Islets of Langerhans secrete insulin and glucagon, which regulate blood sugar• Exocrine: Makes bicarbonate (neutralizes acidic chyme) and digestive enzymes and empties them into the duodenum via the pancreatic duct – Pancreatic amylase: Breaks starch into disaccharides – Trypsin: Breaks proteins into peptides – Peptidase: Breaks peptides into amino acids – Pancreatic lipase: Breaks fats (triglycerides) into monoglycerides
  24. 24. Output (pg 11)• On diagram: Label pancreas• Write a song about the accessory organs. At least 12 lines long. To the tune of a well- known song

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