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The part of the food you eat that the body uses to grow, function, and stay alive. The major classes of nutrients that the body needs are proteins, carbohydrates, minerals, fats, and vitamins.
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A three-part process that gives the body the nutrients it needs. First, you eat or drink food. Second, the body breaks the food down into nutrients. Third, the nutrients travel through the bloodstream to different parts of the body where they are used as "fuel." To give your body proper nutrition, you have to eat or drink enough of the foods that contain key nutrients.
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