The Nervous System - Swanson
Across
- 1. the secretory region of a neuron
- 4. glial cells that monitor neuron health
- 5. cells that circulate cerebrospinal fluid
- 8. gaps in the myelin sheath
- 9. rest and digest
- 13. a sensory signal that travels toward the brain
- 14. a motor signal that travels away from the brain
- 15. provide myelin in the CNS
- 17. cells that surround neuron cell bodies
- 19. the PNS
Down
- 2. a nerve cell
- 3. fight or flight
- 4. protects and electrically insulates the axon
- 6. the receptive region of a neuron
- 7. the ___ system controls involuntary muscle
- 10. support and brace neurons at the synapse
- 11. a cell without the ability to divide
- 12. the supporting cells of the nervous system
- 16. the ____ nervous system controls skeletal muscle
- 17. a nerve cell body
- 18. cells that provide myelin in the PNS