Nerve Impulse crossword

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Across
  1. 3. Filled with neurotransmitters
  2. 4. what your nerves send(ex. electrical and chemical
  3. 7. Things that pick up signals
  4. 8. What ions pass through(electrical synapse)
Down
  1. 1. Another name for nerve impulse
  2. 2. More common synapse
  3. 5. Small space between two neurons
  4. 6. cells in your body that allow you to function