Carbohydrates are essential to provide energy for the body because
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Carbohydrates are a whose primary function it to provide energy to the body. All digestible forms of carbohydrates provide 4 calories/g of energy. Fiber, starch, and are complex carbohydrates, while glucose, fructose, and sucrose are simple carbohydrates. Simple carbohydrates can be monosaccharides, like glucose and or disaccharides, like lactose and . Complex carbohydrates include polysaccharides. Starch consists of chains of glucose molecules. Some starch chains are and harder to digest. Other starch is much easier to digest and has chains. Dietary consists of soluble and insoluble types, which both possess important benefits like reducing the risk of constipation, heart disease, and obesity. Soluble fiber also helps reduce the risk of diabetes. Glycogen is a highly branched polysaccharide created by a process called and is stored in the liver and muscles for later use. Carbohydrates in the diet are said to spare from being used to provide for fuel for cells.