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.
Sangamon County, Illinois - Overview: 2010 Census: Counts: Percentages: Total Population: Total Population: 197,465: 100.00% : Population by Race: American Indian and Alaska native alone: 394: 0.20%: Asian alone: 3,220: 1.63%: Black or African American alone: 23,335: 11.82%: Native Hawaiian and Other Pacific native alone: 47: 0.02%: Some other race alone: 1,047: 0.53%: Two or more races: 4,319: 2.19%