1) They protect us against infections. a) carbohydrates b) vitamins and minerals 2) They help us to build our muscles. a) proteins b) fats 3) We need it to keep our body and organs hydrated. a) water b) oxygen 4) We need it to change carbohydrates into energy. a) water b) oxygen 5) There are some good, like olive oil. There are some bad, like pizza or hamburgers. a) vitamins and minerals b) fats 6) They give us energy. a) carbohydrates b) proteins

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