Our bodies are always active, aren't they? Even when you're asleep your heart is beating, you keep on breathing and, at the same time, your body is being repaired and renewed.
All of this bodily activity needs a constant supply of energy as well as a source of raw materials. Both of these things come from the food we eat. That's why we need a good diet to be healthy.
This food pyramid shows lot of things that are good for us to eat.
Have fun answering these questions to see how much you know about healthy foods.