Peripheral Nervous System. 1  Sensory Nervous System - sends information to the CNS from internal organs or from external stimuli. 2  Motor Nervous System - carries information from the CNS to organs, muscles, and glands. Somatic Nervous System - controls skeletal muscle as well as external sensory organs.
Herrin is located in Williamson County in Illinois. 1  Population: 12,524. 2  Area: 9.47 sq. miles Land Area: 9.24 sq. miles. 3  Population Density: 1,323.05 people per sq. mile.  Elevation: 419.62 1  ft. Time Zone: Central Standard Time (GMT 2  -6) Daylight Savings:  Yes.
Marshall, Illinois. Not to be confused with Marshall County, Illinois. Marshall is a city in Clark County, Illinois, United States, located about 20 miles (32 km) west of Terre Haute, Indiana. The population was 3,933 at the 2010 census. It is the county seat of Clark County.