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.
Beyonceâs height makes her well above average, as the typical American woman stands 5 feet, 3.8 inches. That said, the singer, actress and star of the 2013 Super Bowl halftime show is slightly shorter than Mariah Carey, whoâs a towering 5 feet, 9 inches, and Rihanna, who edges her out at 5 feet, 8 inches.