What Are Interesting Facts About The Brain And Nervous System?
There are many interesting facts about brain. Although brain is only 2% of our total body weight but it requires 20% of total body oxygen requirement and 20% of total blood pumped by heart. You can fit 30,000 neurons on tip of the pin. Brain produces 25 watts of power. Brain can live for 4-6 hours without oxygen then its cells start to die. Brain has no pain receptors. Our brain has 400 miles of blood vessels. If blood supply to brain is interrupted for 10 seconds, you will lose consciousness. For more details, visit Brain.