Do Now: How does absorption occur in the small intestine? In the large intestine? Why do you think the rate of obesity began to sky rocket in the 80’s? (commercialization/technology)
Chapter 32: The Digestive System Section: Disorders and Diseases of the Digestive System Student Learning Objective: You should be able to describe some of the common disorders and diseases of the digestive system. Essential Question: What are the major disorders and diseases of the digestive system?
Vocabulary: Inflammatory Bowel Disease Periodontal disease Crohn’s Disease Gingivitis Ulcerative colitis Constipation Hepatitis Diarrhea Pancreatitis Gastroesophageal reflux Gall stones gastroenteritis Cholecystectomy
Periodontal disease. Gum disease Most common=Gingivitis.
Gastroesophageal reflux disease (GERD). Unprotected esophagus is injured by the acidic fluid from the stomach Causes include pregnancy, hiatal hernia, LES relaxation
Break in the lining of the stomach Bacteria-cause Ulcers-Peptic Ulcers Break in the lining of the stomach Bacteria-cause http://www.youtube.com/watch?v=r5hj1oYJRY8
Ulcerative Colitis-Inflammatory Bowel Disease Affects colon Ulcers, open sores Watery/bloody diarrhea Autoimmune Unknown cause Malabsorption
Crohn’s Disease-Inflammatory Bowel Disease Affects mouth to anus Ulcers, open sores can extend through the entire wall Abd pain/watery diarrhea Genetic/environmental factors Unknown cause http://www.youtube.com/watch?v=juDlFOfJIyw
Gastroenteritis. Inflammation of the stomach/intestines Symptoms=nausea, vomitting, pain, diarrhea rotavirus
Constipation/Diarrhea. Waste spends too much time in the colon Waste abnormally watery, does not spend enough time in the colon
Hepatitis. Inflammation/damage to the liver >6 months chronic Jaundice=bilirubin from RBC desctruction usually released into the bile
Pancreatitis. Enzymes activated inside the pancreas prematurely Most common cause alcohol Also caused by gallstones Replenish fluids/pain medication
12F- Place on HW on desk to be reviewed. Do Now: 1. What is a hiatal hernia? 2. Describe Crohns disease; what are the effects that Crohns disease has on nutrition. 12F- Place on HW on desk to be reviewed. How do cancers of the digestive system progress? What can be done to prevent cancer of the digestive system? Which bacteria causes peptic ulcers? What treatment is available for gallstones?
12C-Place HW on desk to be reviewed. Do Now: 1. What is a hiatal hernia? 2. Describe Crohns disease; What are the effects that Crohns disease has on nutrition? Agenda: Distribute Key Code for Online Book/Resource Complete Study Guide Independently (60 mins) Review Study Guide Exit Slip
The Digestive System Chapter 32 (Biology Book)/Chapter 13 A&P Textbook Student Learning Objective: You should be able to describe the structures and functions of the digestive system in relation to food digestion/absorption/elimination and some of the common disorders and diseases of the digestive system. Essential Question: What is the purpose of the digestive system? What are the major disorders and diseases of the digestive system?
Agenda Review Study Guide Packet Independent Assignment Complete Lesson Online Assessments A&P Lesson 13.1 due by the end of class (email) Exit Slip Homework Complete Lesson 13.2 Online Assessment (email)
Exit Slip: 1) Submit 2 open ended test questions with answers attached. Homework Complete Lesson 13.2 Online Assessment (email)
Exit Slip: 1) List the major enzymes involved in chemical digestion, what they digest, and where (what organ/structure) they can be found.