HLSC 2P91 Lecture Notes - Lecture 2: Oligosaccharide, Cholecystokinin, Probiotic
5 Feb 2016
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Document Summary
Psychological desire for certain foods, drives us to eat. Images can make you lose your appetite too. Receive signals (neurological or hormonal) based on level of food in gut and blood. Protein have high satiety value, carbs have low satiety, feel hungry sooner. Solid foods are more filling than semi solid foods or liquids. Digestion- foods are broken down by chemical or mechanical processes to the smallest absorbable unit. Absorption- moving products of digestion across intestinal wall into blood stream or lymphatic system. Elimination- removal of undigested and unabsorbable products from. Transport- move products through blood stream or lymphatic system to part of body that require them. Storage-excess products that are digested and absorbed are kept in specialized regions of the body for later use body. Basic anatomy of gi tract or lumen. Sphincter rights ring of muscle, subdivide gi tract, control. Accessory organs teeth, tongue, salivary glands, liver, when absorbing nutrients intestine pace of food gallbladder, pancreases.
