Matching Pairs Nutrients and Their RolesOnline version Match each nutrient or concept with its function in the human body. by arNas 1 Protein 2 Water 3 Fiber 4 Minerals 5 Carbohydrate 6 Balanced diet 7 Fat 8 Vitamins Essential for hydration and bodily reactions Fiber aids digestion and promotes bowel health Support bones, fluids, and nerves Primary energy source for daily activities Provides all nutrients in proper amounts Support metabolic reactions and health Builds and repairs body tissues Energy source; cushions organs