1. Nerve2. Neurons3. Myelin4. Motor5. Lymph6. Neurons7. Glial8. permanent

9. Replaced10. Schwann11. Electrochemical12. Potassium13. Positive14. Proteins15. Sodium16. gates

17. Impulse18. Touch19. Synapse20. Neurotransmitter21. Fire22. Novocain23. Toxin24. paralysis

25. Breathing26. Reflex27. quick

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