The muscular system. The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction. Exceptions to this are the action of cilia, the flagellum on sperm cells, and amoeboid movement of some white blood cells. The muscular system in vertebrates consists of three different types of muscles: cardiac, skeletal and smooth.
Welfare Statistics by Race, State and Payment. There are approximately 12.8 million Americans on welfare, accounting for 4.1% of the US population. An estimated $131.9 billion is spent by the government on welfare each year. The following percentages are recipients of welfare based on race. â¢ White â 38.8%.
A recent General Accounting Office report on the progress of the welfare reform law passed two years ago found a sharp decline nationwide in the welfare rolls. The number of people on welfare has fallen 37 percent to 8.9 million in March 1998 from 14.1 million in January '93. The report also found significant increases in the numbers of welfare recipients who obtained jobs. Getting off welfare is one thing. Getting out of poverty requires training and education.