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...Nutrient a substance that is ingested digested absorbed and used by the body grouped into fats carbohydrates proteins vitamins minerals water calorie amount of energy produced from burning food o gram fat supplies with calories protein provides carbohydrate produce heat found in vegetable oils butter meats milk products poultry supply roughage diet fruits vegetables bread cereals pasta build repair tissues regulate functions meat fish cheese calcium for building bones teeth blood clotting muscle contractions nerve sodium helps function maintain fluid balance potassium necessary healthy nerves muscles heart iron hemoglobin vitamin needed vision hair skin mucus membranes fight infection b complex digestion tone growth metabolism c tissue formation mineral absorption mucous resistance to d e red cells k...