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.
Humans have a highly developed brain capable of abstract reasoning, language and introspection. This, combined with an erect body carriage that frees their upper limbs for manipulating objects, has allowed humans to make greater use of tools than any other species. In other words, we are the lucky ones.rain, mind, and consciousness. The human brain is the center of the central nervous system in humans, as well as the primary control center for the peripheral nervous system. The brain controls lower, or involuntary, autonomic activities such as heart rate, respiration, and digestion.