The Human Nervous System

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Across
  1. 2. Produces an autonomic response
  2. 3. Made up of the brain and spinal cord
  3. 6. The gap between two neurons
  4. 7. Transmits electrical impulses from relay neurons to the effector cells.
Down
  1. 1. Bring about a response
  2. 4. Transmits electrical impulses from receptor cells to the relay neurons
  3. 5. A change in the environment