Nutritio1 - Nutrition, Metabolism & Body Temperature...

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Nutrition - nutrient : substance in food that is used by the body to promote normal growth, o major nutrients o essential nutrients : nutrients that cannot be synthesized by chemical reactions in the body, & must be obtained from the diet - Carbohydrates o Dietary sources : sugars from fruits, sugar (cane), honey, milk; starch from grains, vegetables; cellulose from most plants (cellulose is indigestible = fiber) o Uses in the body : glucose is major body fuel; used to make ATP (other sugars o Dietary requirements : 200-300 grams/day recommended (40% of total calories) - Lipids o Dietary sources : saturated fats in meats & dairy products (& some plants); unsaturated fats in seeds, nuts & vegetable oils; cholesterol in egg yolks, milk products, meats o Uses in the body : fats help the body absorb fat-soluble vitamins; triglycerides are
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Nutritio1 - Nutrition, Metabolism & Body Temperature...

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