NTR 301 1st edition Lecture 17 Outline of Past Lecture I Digestion and Absorption 1 Definitions 2 Organs that make up the digestive system 3 2 basic components of the digestive process A Mechanical Outline of Current Lecture I Digestion and Absorption 1 2 basic components of the digestive process A Mechanical B Chemical C Misleading claims about raw food D Before food enters the mouth Current Lecture Chemical Action Digestive enzymes are found in the GI tract and change the chemical composition of compounds so that they can be absorbed Proteases Digests protein made in the stomach pancreas and small intestine functions in the small intestine and stomach Amylases Digests carbohydrates made in the mouth pancreas and small intestine functions in the mouth and small intestine Lipases Digests lipids made in the pancreas and small intestine functions in the small intestine The small intestine has a very large role in digestion Non enzymatic digestive chemicals These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Hydrochloric Acid Made in the stomach and functions in the stomach Bicarbonate Made in the pancreas and functions in the small intestine Bile Made in the liver stored and released in the gallbladder and functions in the small intestine The facts about a raw diet They do have enzymes that may digest macronutrients in plants Heating food denatures enzymes Digestion is not made difficult by eating foods without enzymes If there isn t digestion you will not gain weight because the macronutrients cannot be absorbed Before food enters the mouth Cephalic phase of digestion thinking about food prepares your GI tract for incoming food Cooking phase of digestion tissues are softened which widens variety in the diet for greater intake of macro and micronutrients
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