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.
Kate Mara is a 34 year old American Actress. Born Kate Rooney Mara on 27th February, 1983 in Bedford, New York, USA, she is famous for Random Hearts, Shooter. Her zodiac sign is Pisces. Kate Mara has been in 7 on-screen matchups, including Dylan McDermott in American Horror Story (2011), Charlie Cox in Stone of Destiny (2008), Kip Martin in Cold Case (2003), Michael Graziadei in American Horror Story (2011) and Wes Brown in We Are Marshall (2006).