All living organisms need proper food for survival, growth, and reproduction. For humans and other animals, food consists of carbohydrate, fat, and protein, along with vitamins and minerals. The processes by which organisms make use of nutrients are collectively known as metabolism. Humans may consume a wide range of different food substances, as long as they meet nutrition requirements. Nutrition is the science that interprets the relationship of food to the function of the organism.
Food is metabolized, and the nutritional elements are distributed through the organism.
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