Nervous System. All mental and physical activities are controlled or mediated by the brain and the nervous system. Voluntary actions originate in the brain and the nerves carry the information to other parts of our body.The nervous system relies upon a correct chemical balance in the body.ervous System. All mental and physical activities are controlled or mediated by the brain and the nervous system. Voluntary actions originate in the brain and the nerves carry the information to other parts of our body.
From Wikipedia, the free encyclopedia. Letts is a city in Louisa County, Iowa, United States established in 1855. The population was 384 at the 2010 census. It is part of the Muscatine Micropolitan Statistical Area. The name is from local benefactor, Maddison Letts.
DeWitt District Court. DeWitt District Court is a district court in the Southern district of Arkansas county. Major roads available in De Witt are US 165, SR 1, SR 1 Business, SR 130 and SR 152. When the importance of the original county seat of Arkansas county, Arkansas Post, diminished, a new seat was desired closer to the center of the county. The area chosen was DeWitt and the name was picked by lot. The original courthouse consisted of three log buildings until a brick structure was erected around 1862.