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.
Her mother's family founded the Pittsburgh Steelers and her father's family founded the New York Giants. Rooney, who's older sister is actress Kate Mara, has described football as 'the glue that holds our family together.'. Meanwhile, Charlie's parents are Malcolm McDowell and Mary Steenburgen, his stepfather is Ted Danson, and his sister is Sons of Anarchy actress Lily McDowell.