Nervous System Crossword

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Across
  1. 3. Cells that help you see in dim light
  2. 5. Branch-like structure that receives signals
  3. 6. Output channel that releases neurotransmitters
  4. 8. When the inside of a neuron becomes more positive
  5. 9. Structure that changes shape to focus near and far objects
  6. 10. A cell that sends and receives messages in the body
Down
  1. 1. Receptor that responds to chemicals
  2. 2. Cells that detect color and detail
  3. 4. Taste hairs that act as receptors
  4. 7. Chemical messengers that carry signals between neurons