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"Nerve Conduction." 16 February 2005. HowStuffWorks.com. <http://health.howstuffworks.com/adam-200011.htm> 03 April 2008.
Nerve Conduction
The central nervous system is made up of the brain and spinal cord. The peripheral nervous system extends beyond the central nervous system and comprises thousands of nerves that control reflexes, the "flight or fight" response and other essential functions.