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.
For PCGS CoinFacts, Greg is a member of the four person pricing committee for the PCGS CoinFacts Million Dollar Coin Club, a listing (with prices and condition census) of the approximately 200 U.S. coins now valued at $1,000,000 or more.