William's control and coordination crossword puzzle

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Across
  1. 2. special structure within the sensory system
  2. 3. relating to material things
  3. 5. automatic movement in response to a stimulus
  4. 6. controls involuntary functions
  5. 8. cord tube like structure of neurons
  6. 9. disturbance that transfers energy
Down
  1. 1. coordinates voluntary muscle movement
  2. 4. controls memory, language, and thought
  3. 5. photo receptor in the eye that distinguishes shapes
  4. 7. gap between two neurons