Stefanie Powers is an American film and television actress best known for her role as Jennifer Hart in the 1980s television series Hart to Hart.View newly released photos of Stefanie Powers.tefanie Powers is an American film and television actress best known for her role as Jennifer Hart in the 1980s television series Hart to Hart. View newly released photos of Stefanie Powers.
Our brain is three times larger than a gorilla brain. 2:48 The human brain also seems special in the amount of energy that it uses. Although it weighs only two percent of the body, it alone uses 25 percent of all the energy that your body requires to run per day. That's 500 calories out of a total of 2,000 calories, just to keep your brain working.
The brain is one of the largest and most important organs of the human body. It sends messages to and receives messages from all over the body. The brain is one of the largest and most important organs of the human body. Weighing in at about three pounds, this organ is covered by a three layered protective membrane called the meninges. The brain has a wide range of responsibilities. From coordinating our movement to managing our emotions, this organ does it all. The brain is composed of three main divisions: the forebrain, brainstem, and hindbrain. Forebrain. The forebrain is the most complex of the three parts.