1 The brain makes up about 2 percent of a human's body weight. 2  The cerebrum makes up 85 percent of the brain's weight. 3  It contains about 86 billion nerve cells (neurons), the gray matter.
Rooney Mara's Height is 5ft 3in (160 cm). American Actress best known for her portrayal of Lisbeth Salander in the US remake of The Girl with the Dragon Tattoo.
Lauren Levin, Chase Levin. As a celebrity, Mark carries a poise and class wherever he goes. His height is around 6 ft. and 2 inches. In addition to that, he has a well-built body. You wonât believe that as a youngster, he didnât play many games and was a lazy child.