Fruit is a good example of a food that has lots of water in it. Water is what makes the fruit so juicy. The juicier a food is, the more water it contains. Carbohydrates give you energy and are especially important for fueling your brain. About half of your daily diet should come from carbohydrate.
Protein is found mostly in meats and dairy products.
Protein is used to build your body parts. You need some fat to keep your body functioning. If a person does not use the extra energy, the body can store it as fat. Fruits and vegetables are very good sources. Vitamins and minerals also help to keep your body functioning.