Nervous System Applying

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Across
  1. 2. Brain and spinal cord
  2. 5. Proteins that receive signals
  3. 6. Support cells of the nervous system
  4. 8. Nerve cell that transmits signals
  5. 9. Movement from high to low concentration
  6. 15. Junction between two neurons
  7. 16. Chemical messengers between neurons
  8. 18. Neurotransmitter linked to reward and movement
  9. 21. function Control of muscle movement
  10. 22. Neurotransmitter for muscle activation
  11. 24. Myelinated nerve fibers in CNS
  12. 26. Connect neurons within the CNS
  13. 28. Carry signals from the CNS
  14. 29. Lacking a myelin sheath
  15. 30. Bundle of neurons
Down
  1. 1. Region where nerve impulses begin
  2. 3. Gap between neurons at a synapse
  3. 4. Branches that receive signals
  4. 7. Carry signals to the CNS
  5. 10. Neurotransmitter involved in alertness and inflammation
  6. 11. Neuron cell bodies in CNS
  7. 12. Nerves outside brain and spinal cord
  8. 13. Neurotransmitter affecting mood and sleep
  9. 14. Inhibitory neurotransmitter in CNS
  10. 17. Cells that form myelin in the PNS
  11. 19. Long fiber that carries impulses away from cell body
  12. 20. Main part of a neuron with nucleus
  13. 23. Covered with insulating myelin sheath
  14. 25. Star-shaped support cells in the CNS
  15. 26. Protein pathways for ions across membrane
  16. 27. Hormone for “fight or flight” response