Carbohydrates = Immediate energy source (bread)
Protein = Used for growth and repair (meat)
Lipids = Energy store, insulation and makes cell membranes (cake)
Vitamins = Prevent defiency diseases (A - carrots, C - citrus fruit, D - sun)
Minerals = Prevents defiency diseases (Calcium - milk, Iron - liver)
Water = Acts as a Solvent
Fibre = Adds bulk to food to aid peristalsis (sweetcorn)
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