Fun brain facts
The brain weighs about 3.3lbs, or about 2% of an average human’s body mass. Yet it makes up 20% of the oxygen and energy used by the whole body.
It’s 73% water, which is why being dehydrated can affect your mental clarity and give you headaches.
The brain doesn’t fully mature until the age of 25.
Every minute 750ml of blood through through it.