Nervous System

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Across
  1. 4. cord serves as the bridge between the brain and the nerves
  2. 7. controls all the activities of the body
  3. 9. gap or space between two nuerons
  4. 10. the three membranes that line the skull and vertebral canal and enclose the brain and spinal cord
  5. 11. covers the axon
  6. 12. carries nerve impulses from the skin to the brain or spinal cord
  7. 13. link up the sensory neurons to the motor nerves
  8. 16. cell body, main part of the neuron
  9. 18. largest part of the brain
Down
  1. 1. connected to spinal cord
  2. 2. the part of the autonomic nervous system that is concerned especially with preparing the body to react to situations of stress or emergency
  3. 3. the part of the involuntary nervous system that serves to slow the heart rate, increase intestinal and glandular activity, and relax the sphincter muscles
  4. 4. carry nerve impulses from the movement or sense organs to the brain or spinal cord
  5. 5. transmits or carries messages away from the nucleus
  6. 6. carry messages from the central nervous system to the muscles
  7. 8. nerve like fibers that branch out from the cell body or nucleus
  8. 13. smallest part of the brain
  9. 14. it consists of the brain, spinal cord and the nerves
  10. 15. carry messages in and out of the body
  11. 17. the bone that protects the brain