Nervous System

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Across
  1. 4. messages in the form of a chemical disturbunce
  2. 5. largest part of brain
  3. 9. nerves arising from brain
  4. 11. three layers protecting the brain
  5. 12. gap between two neurons
  6. 14. a very long structure coming out of neuron
  7. 16. devised a way of staining nervous tissue
  8. 17. the part of nervous system with brain and spinal cord
  9. 18. part of brain responsible of muscle coordination
  10. 19. nerves arising from spinal cord
Down
  1. 1. it is a fluid protecting brain from shocks
  2. 2. basic structural and functional unit of nervous system
  3. 3. these nerves carry messages from organs to brain
  4. 5. the cell body of the neuron
  5. 6. the protective covering on the axon
  6. 7. it is responsible for the reflex actions
  7. 8. small hair like structures coming out of neuron
  8. 10. automatic reaction without thinking
  9. 13. it is contained in the center of the cell body
  10. 15. these nerves carry messages from brain to organs