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.
Five Things to Know About Rooney Mara's Boyfriend, Charlie McDowell. Lizbeth Salander doesn't loath all men. Rooney Mara, whose performance as the troubled yet super-fierce hacker in The Girl With the Dragon Tattoo is winning rave reviews, has recently been spotted out and aboutâand smoochingâa guy by the name of Charlie McDowell.