The Nervous System

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Across
  1. 1. Nerves outside the Central Nervous System
  2. 4. Large Bundle of nerves that are protected by vertebrae.
  3. 7. Diseases outside of your brain and spinal cord.
  4. 10. Chemical messenger between neurons.
  5. 11. Brain and spinal cord.
Down
  1. 2. Space between two neurons.
  2. 3. Potential, Electrical signal traveling along a neuron.
  3. 5. Nerve cell; transmits signals.
  4. 6. Controls all the signals and responses coming to and from the body.
  5. 8. Transmits electrical impulses out to the body and back to the brain.
  6. 9. A special machine that scans your brain to detect bleeding.