Chapter 10 Nervous System Crossword

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Across
  1. 1. automatic nervous system; regulates involuntary processes
  2. 6. these nerves travel from brain towards muscles, telling them how to respond (motor)
  3. 9. _______ Nervous System: brain and spinal cord
  4. 10. branching fiber of a neuron
  5. 12. voluntary nervous system; relays commands from brain to muscles
  6. 14. 10th cranial nerve that controls processes in the chest and abdomen
  7. 15. space between neurons where impulses jump from one neuron to the next
Down
  1. 2. a sheath that insulates the axon and speeds electrical impulses
  2. 3. structure behind the cerebrum that coordinates voluntary movements and balance
  3. 4. individual nerve cell
  4. 5. these nerves carry messages about environment toward brain (sensory)
  5. 7. chemical substance that brings an impulse to the synapse
  6. 8. largest part of the brain
  7. 11. loss of myelin that insulates nerve fibers (characteristic of MS)
  8. 13. stromal (supporting/connective) tissue of the nervous system