A typical human brain comprises about 2 to 2.5% of the total body weight. However the brain uses up 20% of the total energy and O2 intake.
Brain is 73% water, similar to our heart. That is why it is so important to be hydrated, a little bit of dehydration and attention, memory and cognitive skills gets affected.
Brain is the fattiest organ of the body, weighing a little over 3 lbs.
All brain cells are not alike. There are many different types of neurons in the brain, each serving different function.
Brain is the last organ in the human body to mature. It isn’t until about 25 years of age that brain reaches its full maturity.
Brain starts slowing down at the age of 24, right before it’s maturity.
Though it slows down, it starts getting better at some activity over the other.
Information in brain can travel faster than speeding race cars with a speed of more than 250miles/hr.
Brain generates enough electricity to power a low wattage LED light.
Average brain generates 10s of thousands of thoughts each day.
750 to 1000 milliliters of blood flow through the brain every minute.
Brain processes visual images faster than time taken to blink.
People who have jobs with high cognitive demands like London Taxi drivers who are to remember roads and directions, would have a larger hippocampus ( the memory center of the brain).
When we face the threat of failure the brain triggers a biochemical chain hormone reaction flooding our system with hormone and causing physical changes which we collectively label as stress.
Female brains are better than male brain in identifying differences of color or to say can identify a wider variety of color.
Male brains are better at spatial and reasoning related issues.
When men sees a competition, it drives up testosterone which triggers the amygdala and they would respond with the drive to win. But in case of women there us a surge of estrogen, so women will want to win but they are not so driven by their competitive nature as men are.
Women brains are very good as following instructions , remembering things better than male brains.
Male brains are not as adaptive as female brains.
Brain has no sensory receptors, it’s the skin which has the pain fiber. So one can open up the skull and brain but would not feel pain.