The nervous system has two different major parts. The two parts are the central nervous system and the peripheral nervous. The central nervous system or the CNS contains the brain and the spinal cord. All together, the brain and the spinal cord serve the nervous system's command station.
== Greg Maddux Signed Baseball Card == A Greg Maddux autographed baseball card is worth between $20. -$30. Prices may vary based on condition, and the type of authenticity that accompanies the signature. Signatures that have not been authenticated could sell at half the market value or less.
1988 Topps Greg Maddux #361 (Hall of Fame) Recent Sales History by Grade (Click on prices in the grade to view complete history.) VIP Members can view completed auction prices that took place on eBay and major auction houses. Click here to sign up now for immediate access to historical baseball card values.