Nervous

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Across
  1. 2. Part of the brainstem that regulates heart rate and breathing
  2. 3. Junction between two neurons where impulses pass
  3. 5. State of a neuron's membrane when positively charged outside
  4. 8. Division of the nervous system that includes the brain and spinal cord (abbreviation)
  5. 9. Chemical messengers that transmit signals across synapses
  6. 13. Rapid, automatic response to a stimulus
  7. 14. Division of the PNS that controls skeletal muscles
Down
  1. 1. Neurotransmitter released at the neuromuscular junction
  2. 4. Part of the diencephalon that regulates body temperature and hunger
  3. 6. Long extension of a neuron that conducts impulses away from the cell body
  4. 7. Electrical signal traveling along a neuron
  5. 8. Part of the brain responsible for coordination and balance
  6. 10. Division of the PNS that controls glands and smooth muscles
  7. 11. Fatty sheath that speeds up nerve impulses
  8. 12. Short, branching neuron fibers that receive signals