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WVSOM -- Physio

Overview of GI function

Three phases of digestion cephalic gastric intestinal
Components of Saliva Bicarb enzymes mucus anti-bacterial stuff
Two parts of the stomach orad caudad
Orad functions acccomodates food starts digestion delivers food to SI
Caudad stomach functions mixing and grinding delivery of food to SI
Receptors Stretch Receptors chemoreceptors Osmo receptors Thermo receptors pH receptors
Cephalic Digestion eyes and nose detect food saliva produced stomach and pancreas are stimulated by vagus nerve
Receptors in intestine Endocrine cells that detect food and secrete hormones. Can send signals to pancreas, liver and back to stomach
Pancreas secretes Digestive enzymes Bicarb
Bicarb function in intestine neutralizes acid from stomach
Bile secreted from gall bladder
Motility of intestines Mixing of chime with enzymes and bile as well as grinding against the mucosa wall
Large intestine functions Absorbs water and electrolytes. Final packaging place for all things to get rid off.
Most water absorption happens in the _________. small intestine
Created by: tjamrose



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