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.
Best Greg Maddux Baseball Card- 1987 Donruss Greg Maddux. Best Greg Maddux Autograph Card- 1987 Donruss Greg Maddux PSA/DNA signed rookie card ($75) Greg Maddux Bio- Considered a strong pitcher in MLB, the Greg Maddux rookie card is a real find. The 1987 Topps Greg Maddux Traded #70T Rookie Card with a PSA 10 grade in Gem Mint condition fetched between $50 and $60.