15 THE UNKNOWN FACTS
15 THE UNKNOWN FACTS 1.The adult brain contains around 100 billion neurons and even more support cells. 2.Your brain uses less power than your refrigerator light –just 12 watts. 3.There is no pain receptors in the brain. so, the brain surgery or injury can occur without causing pain. The scalp and skull, however, is sensitive to pain. Receptors -A specialized cell or group of nerve responds to sensory stimuli (Motives). 4.The total length of myelinated nerve fibers in the brain is between 150,000 and 180,000 km. Which is enough to go around the Earth nearly four times. The main purpose of myelin is to increase the speed at which electrical impulses propagate along the myelinated fiber 5.Your brain accounts for just 3 percent of your body’s wei...