Nervous System & Reflexes

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Across
  1. 5. This is an automatic or involuntary reaction
  2. 7. This part of the neurone transmits the impulse away from the cell body
  3. 8. The CNS is made up of the ________ and spinal cord
  4. 9. These neurones carry electrical impulses from receptor cells to the CNS
Down
  1. 1. Effectors can be muscles or ________
  2. 2. What happens to a pupil in bright light?
  3. 3. A group of cells that detect the stimulus
  4. 4. This is a change in the environment
  5. 5. This occurs from the effectors
  6. 6. These neurones carry electrical impulses from the CNS to effectors