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WVSOM -- Physio
Overview of GI function
Question | Answer |
---|---|
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 |