Biology Lessson9.6

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Biology Lessson9.6

  1. 1. Lesson 9.6To keep digestive tracthealthy: Eat fiber Drink plenty of water Relax Exercise
  2. 2. Gastrointestinal disorders: 1. Food poisoning – caused by bacteria •Staphylococcus aureus •Botulism-vegetables •Salmonella – meat & dairy •Typhoid fever – Salmonella typhi – food and water is most serious infects whole body
  3. 3. 2. Dyspepsia – indigestion3.Peptic ulcers – open sores in the mucous membrane of stomach,  caused by bacterial infection, if untreated may bleed4. Constipation – removal too much water
  4. 4. 5. Diarrhea – not enough waterremoved6. Dysentery – can be caused bybacteria, protozoan, or virususually where poor sanitation7.Colon cancer – common cancer,95% curable if detected early,diet related?

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