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.
Rooney Mara is a 31 year old American Actress. Born Patricia Rooney Mara on 17th April, 1985 in Bedford, New York, USA and educated at Fox Lane High School in 2003, she is famous for A Nightmare on Elm Street, The Social Network and The Girl with the Dragon Tatoo. in a career that spans 2005âpresent. Her zodiac sign is Aries. Rooney Mara has been in 6 on-screen matchups, notably with Cate Blanchett in Carol (2015), Jesse Eisenberg in The Social Network (2010), Kyle Gallner in A Nightmare on Elm Street (2010), Catherine Zeta-Jones in Side Effects (2013) and Channing Tatum in Side Effects (2013).