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What Is the Digestive System?
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acute alcohol amount antacids antibiotics appendicitis attack avoid bacteria become bile duct bleeding blood body bowel cancer bowel movement called cause cells cholesterol colo-rectal cancer colon common complications constipation Crohn's disease defecation dehydration develop diagnosis diet digestive system digestive tract diverticula diverticular disease doctor drink drugs duodenal ulcer duodenum enema enzymes fecal material fiber fluid gallbladder gallstones gastric ulcers gastroenteritis heartburn hemorrhoids hiatus hernia infectious gastroenteritis inflammation inflammatory bowel disease intestinal infection intestinal tract irritable bowel syndrome large intestine laxatives liver cancer malignant Meckel's diverticulum mild milk muscle nausea normal obstruction occur organ pancreatitis patient percent person physician polyps present produces rectal rectum reflux esophagitis removed result small intestine stomach acid stomach cancer stool surgery surgical swallowed symptoms of reflux tion tissue transmitted traveler's diarrhea treated treatment tube tumor ulcer disease ulcerative colitis usually viral hepatitis virus vomiting X-ray