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.
Emma Robertsâ height is approximately 160 cm. It is appropriate to her shoe size in 6 (US).The girl who was born on February 10, 1991 also controls her weight to be ideal always. Likewise other celebrities, Emma Roberts have ideal weight in 113 lbs.