FUNCTIONS& nbsp;
& nbsp;& nbsp;& nbsp;& nbsp; Providing energy and heat is the major function of carbohydrates.& nbsp; Each gram of carbohydrate provides 4 Kcal ( 17 kj).& nbsp; When carbohydrates provide energy, they spare proteins for another essential use.& nbsp; The other essential uses are the building and repairing of body tissues.& nbsp; This function is called the protein sparing action of carbohydrates.& nbsp; Carbohydrates are also essential for metabolizing fats.& nbsp; DIGESTION
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