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    12 14 disordersofthedigestivesystem-2 12 14 disordersofthedigestivesystem-2 Presentation Transcript

    • Do Now Think of what you ate for breakfast today: Where did the chemical digestion of your meal start? After you eat a whole bunch of candy, which organ would secrete hormones to regulate your blood sugar level? Identify the hormone secreted.
    • Objective: What are the disorders of the digestive system?
    • Lets Review What is starch?  Complex carbohydrate  Long chain of DIGESTABLE plant sugars Ex: potatoes, wheat bread
    • Lets Review What is insulin?  Hormone released from the pancreas  Regulates blood sugar (glucose) level  Increased insulin leads to decreases in blood sugar level
    • Disorders of the Digestive System Gallstones  Hardened Deposits of cholesterol  Occur in the GALLbladder; painful  Remember this stores bile
    • Diarrhea Colon does not absorb enough water  Infection of colon lining prevents proper absorption Can be life threatening
    • Constipation Too much water is absorbed from colon Very dry stool  Difficult to poop
    • Ulcer “Peptic ulcer” Erosion of the stomach wall  Stomach acid becomes very painful Ex: think of like pouring lemon juice in a cut
    • Diabetes When the body fails to produce or respond to insulin – blood glucose gets very high Type 1 – autoimmune; immune system attacks cells of the pancreas Type 2 – develops typically due to obesity; body does not respond to the hormone