Nerves and Muscle Control. Muscular System: Muscles are controlled by the peripheral nervous system (PNS), an extension of the central nervous system. The central nervous system (CNS) includes the brain and spinal column. The PNS extends from the CNS, connecting the CNS to the limbs, organs, and other parts of the body. The PNS is divided into the somatic nervous system (SNS) and the autonomic nervous system (ANS). Skeletal muscles are controlled by the SNS, while cardiac and smooth muscles are controlled by the ANS. Read on to learn more about the peripheral nervous system, and its role in controlling the muscular system.
2015 Black Population: 46.3 million, 14.4% of USA. In 2015 US Census Bureau estimated 46,282,080 African Americans in the United States meaning that 14.3% of the total American population of 321.4 Million is Black. This includes those who identify as âBlack Onlyâ and as âBlack in combination with another raceâ.
Best Answer: 40.2 million As of July 1, 2006, the estimated population of black residents in the United States, including those of more than one race. They made up 13.4% of the total U.S. population. This figure represents an increase of half a million residents from one year earlier.t the other end of the spectrum, 8% of the black population was 65 and older. Serving Our Nation 2.4 million Number of black military veterans in the United States in 2006. More military veterans are black than any other minority group. Education Note: 2005 and 2006 data in this section pertain to single-race blacks.