Human Digestive System

Human Digestive System The human digestive system is a complex series of organs and glands that processes food. In order to use the food, we eat, our body has to…
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Other Nutrients

Other Nutrients Other micronutrients include antioxidants and phytochemicals. These substances are generally more recent discoveries that have not yet been recognized as vitamins or as required. Phytochemicals may act as…
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Water

Water Water is excreted from the body in multiple forms; including urine and feces, sweating and by water vapour in the exhaled breath. Therefore, it is necessary to adequately rehydrate…
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Vitamins

Vitamins As with the minerals discussed above, some vitamins are recognized as essential nutrients, necessary in the diet for good health. (Vitamin D is the exception: it can be synthesized…
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Minerals

Minerals Dietary minerals are the chemical elements required by living organisms, other than the four elements carbon, hydrogen, nitrogen and oxygen that are present in nearly all organic molecules. The…
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Protein

Protein Proteins are the basis of many animal body structures (e.g. muscles, skin and hair). They also form the enzymes that control chemical reaction throughout the body. Each molecule is…
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Carbohydrates

Carbohydrates Carbohydrates may be classified as monosaccharides, or polysaccharides depending on the number of monomer (sugar) units they contain. They constitute a large part of foods such as rice, noodles,…
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Nutrients

Nutrients

Nutrients There are six major classes of nutrients: Carbohydrates, Fats, Minerals, Protein, Vitamins and Water. These nutrient classes can be categorized as either macronutrients (needed in relatively large amounts) or…
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