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.
Human Brain Anatomy. The human brain is the powerhouse and control center for all physiological and cognitive functions. The brain controls lower, unconscious physiological activities such as breathing, pulse, and digestion; and higher, conscious activities such as thinking, reasoning, and feeling.The human brain is unique because it contains billions of neurological connections that work together to carry out complex functions.he brainstem is connected to the spinal cord at the back of the brain. The brainstem controls unconscious functions such as respiration, digestion, and pulse. Three structures comprise the brainstem: the midbrain, the pons, and the medulla oblongata. The midbrain controls eye movement and focus.