1) What is the primary function of carbohydrates in the human body? a) energy storage b) oxygen transport c) muscle contraction d) nervous system 2) Which of the following is a simple carbohydrate? a) starch b) cellulose c) glucose d) glycogen 3) What enzyme is responsible for breaking down carbohydrates in the mouth during the process of digestion? a) amylase b) lipase c) protease d) nuclease 4) Which complex carbohydrate is commonly found in grains, legumes, and vegetables? a) fructose b) sucrose c) lactose d) fiber 5) What is the end product of carbohydrate digestion that can be absorbed into the bloodstream? a) amino acid b) fatty acid c) monosaccharides d) nucleotides

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