80% of the Brain

1.80% of the brain is water.This means that it is important that you remain properly hydrated for the sake of your mind.
2.Our brain is more active at night as compared to day.
3. Information travels along neurons at different speeds. This is why sometimes you can recall information instantly, and sometimes it takes a little longer.
4.Our brain makes up only 2% of our body weight yet it requires 20% of oxygen that enters our bloodstream.
5. The brain operates on same amount of power as 10-watt light bulb.