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.
== 1995 Topps Greg Maddux card number 295 == A 1995 Topps Greg Maddux card number 295 has a book value of about $1.25 in near/mint -mint condition. Professionally graded cards will sell for more money than a non-graded card in the same condition. Condition is important.