Across
- 2. carries impulses to muscles or glands
- 4. carries commands away from the central nervous system
- 5. abbreviation for central nervous system
- 6. function of myelin in neurons
- 9. carries information toward the central nervous system
- 13. carries impulses away from the cell body
- 15. key role of neuroglia
- 17. controls voluntary movement of skeletal muscles
- 20. neuron with a single process that splits
- 21. abbreviation for peripheral nervous system
- 22. muscle or gland that responds to a signal
- 24. receives incoming signals from other neurons
- 25. a nerve cell that transmits electrical impulses
- 26. actions under conscious control
- 27. support cells that protect and nourish neurons
- 29. processes information within the CNS
- 31. sends signals to muscles and glands
- 33. outer layer aiding nerve regeneration
- 36. carries impulses from receptors to the CNS
- 37. controls involuntary body functions
- 38. primary function of glial cells
- 39. processes and interprets information
Down
- 1. maintenance of stable internal conditions
- 3. providing nutrients to neurons
- 7. produces myelin in the PNS
- 8. supports neuron cell bodies in the PNS
- 10. electrical signal traveling along a neuron
- 11. gaps in myelin where ion exchange occurs
- 12. detects environmental changes
- 14. produces myelin in the CNS
- 16. maintains the blood-brain barrier
- 18. neuron with one dendrite and one axon
- 19. any change detected by receptors
- 23. produces cerebrospinal fluid
- 28. actions not under conscious control
- 30. another name for the neuron cell body
- 31. neuron with many dendrites and one axon
- 32. removes waste and pathogens in the CNS
- 34. insulating layer that speeds impulse conduction
- 35. detects stimuli from inside and outside the body
