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.
Herrin is located at 37Â°48â²9â³N 89Â°1â²41â³W / 37.80250Â°N 89.02806Â°W / 37.80250; -89.02806 (37.802412, -89.028093). According to the 2010 census, Herrin has a total area of 9.461 square miles (24.50 km2), of which 9.23 square miles (23.91 km2) (or 97.56%) is land and 0.231 square miles (0.60 km2) (or 2.44%) is water.