NUTR 1010 Lecture Notes - Lecture 3: Portal Venous System, Cecum, Circulatory System
21 Apr 2016
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Document Summary
Food is made out of animals and plants; which are made out of: Macronutrients: carbohydrate (4), fat (9), protein (4, give us energy measures in kcal. Micronutrients: vitamins(organic molecule) and minerals (elements, no energy but needed to function. Has different values for each life stage. Avg. amount of each nutrient required for each life stage and gender. Meets 97-98% of population; used mostly individually. Used when can"t do ear or rda. Highest daily nutrient intake level that poses no risk. How many kcal needed to maintain body. See if you"re getting the right balance of macronutrients. Ranges are used because healthy diets can be made up of different combinations. By law: name of product, list of ingredients, nutrition facts table. Roles: digestion breaking food into smaller pieces to absorb, absorption moving small food items from the intestine to bloodstream or lymph system, poop, swallowing food, esophagus, stomach. Begins before in mouth: sensory makes mouth water, nervous system gets gi ready.
