The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
The cat brain weighs about 30g.
167