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.
1993 SP Derek Jeter Rookie Card. This is the best Derek Jeter rookie card bar none. The 1993 rookie was produced on a silver foil card stock which makes it almost impossible to find in good condition. Cards in Mint 9 condition sell for over $350 while Gem MT 10âs hover over $3000. This is amazing when you consider the age of the card.