◖ The brain of a human carries nearly one hundred billion neurons. ◖An adult brain weighs about 3 pounds . ◖Your brain consumes 20 percent of the oxygen and blood in your body. ◖The human brain gets to be smaller as we get older. This happens after the middle age. ◖ About 75 percent of the brain, is manufactured with water. This means that dehydration , even in small amounts, harms the brain functions. ◖ Headaches are triggered by a chemical reaction in your brain, communal with the muscles and nerves of your neck and head. ◖ Dreams are supposed to be a mixture of imagination, psychological factors, and neurological factors. They prove that your brain is at work even when you are sleeping. ◖Your brain isn’t fully formed until age 25 . Brain development begins from the back of the brain and works its way to the front. Therefore, your frontal lobes, which control planning and reasoning, are the last to strengthen the structure connections. ...