Brain is like a giant computer that control our bodies and allows us to think. All of the special sensor in the body talk to the brain, and the brain sends out signals to the rest on the body. It is located in our heads, and is powered mainly by sugar, which is made from food you eat. The brain changes over time, and adapts to things going on in our life. This wonder organ is very complicate, and still puzzles scientists on how parts of it work.