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.
    Answer   The average human brain weighs three pounds (1.36 kilograms). The average female brain capacity is 79.3 cubic inches, slightly smaller than the male â¦ brain of 88.5 cubic inches. The largest human brains may be twice those of average size, but size has no relevance to brain performance.he average size of a human cell varies quite a lot. a single nerve cell can be up to a meter long while a cheek cell averages about 50 micrometers or .05 mm. the average cell â¦ though is between 10 micrometers and 100 micrometers. 29 people found this useful.