carbohydrates - Are mainly found in plant foods. They also occur in dairy products in the form of a milk sugar called lactose., proteins - Is found throughout the body—in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many chemical reactions and the hemoglobin that carries oxygen in your blood., fats - Helps in the absorption of fat-soluble vitamins A, D, E, and K, are either saturated or unsaturated, and most foods have both types., vitamins - Are substances that our bodies need to develop and function normally. They include A, C, D, E, and K, choline, and the thiamine, riboflavin, niacin, pantothenic acid, biotin,B6, B12, and folate/folic acid)., minerals - Are those elements on the earth and in foods that our bodies need to develop and function normally. Those essential for health include calcium, phosphorus, potassium, sodium, chloride, magnesium, iron, zinc, iodine, chromium, copper, fluoride, molybdenum, manganese, and selenium., fibre - Is found in cereals, fruits and vegetables, is made up of the indigestible parts or compounds of plants, which pass relatively unchanged through our stomach and intestines and also is mainly a carbohydrate. Its main role is to keep the digestive system healthy., water - Is defined as an essential nutrient because it is required in amounts that exceed the body's ability to produce it. It fills the spaces in and between cells and helps form structures of large molecules such as protein and glycogen,

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