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 Human Brain. The human brain is a unique and complex structure; it facilitates vital and complicated physiological and psychological functions such as consciousness, mobility, emotion, and personality. Different parts of the brain are responsible for specific functions.he frontal lobe is the largest of the four lobes. The frontal lobe is responsible for many different functions involving conscious thought, voluntary movement, and personality. The frontal lobe also facilitates word choice, organization, and behavior.