The digestive system.

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Presentation transcript:

The digestive system

Random Fact Large intestine, over the entire lifetime of a person, actually ends up processing around 50 tons of food consumed by an individual. It may be more or less depending on how much a person eats

The Large Intestine Includes the cecum, colon, rectum, and anal canal Larger in diameter, but shorter than small intestine Absorbs water, salts and vitamins Stores indigestible material until elimination

The Cecum Peritonitis – infection of the lining of the abdominal cavity

The Colon Ascending, Transverse, Descending, & Sigmoid Ridding the body of undigested material = maintenance of homeostasis Bacteria break down indigestible material and produce vitamins and molecules

Polyps Growths in the epithelial lining

Diarrhea & Constipation Major causes are infection of the lower intestinal tract and nervous stimulation i.e. food poisoning

Words to know Enzymes: Hormones: Gastrin Secretin GIP CCK Duodenum Jejunum Ileum Chime Bile Villi Microvilli Brush border Blood capillaries Lacteal Emulsification Pancreatic amylase Maltase Lactase Sucrase Pepsinogen Pepsin Trypsin Carboxypeptidase Gastric lipase Lipase Nuclease Nucleosidase Gastrin Secretin GIP CCK

Words to know Cecum Sigmoid colon Appendix Polyp Rectum Diarrhea Anal canal Constipation Peritonitis Ascending colon Transverse colon Descending colon