Across
- 3. Regulates homeostasis and endocrine activity
- 4. Coordinates posture, balance, and fine movement
- 9. Major pathway connecting brain to peripheral nerves
- 10. Outer layer of cerebrum for higher brain functions
- 11. Hormone and neurotransmitter for fight-or-flight
- 14. Conduction that jumps between nodes of Ranvier
- 16. Division of ANS for rest, digestion, and recovery
- 17. Chemical messenger released into a synapse
- 18. Fatty sheath that speeds up nerve conduction
- 19. Brainstem part controlling vital reflexes
Down
- 1. Glial cell supporting neurons and the blood-brain barrier
- 2. Relay center for sensory pathways to the cortex
- 5. Branch-like extension that receives neural input
- 6. Rapid electrical change across the neuron membrane
- 7. Junction where neurons communicate
- 8. Long process carrying impulses away from the soma
- 12. Period when a neuron cannot fire another impulse
- 13. CNS cell responsible for myelin production
- 14. Division of ANS active in stress or emergencies
- 15. Functional cell that transmits electrical signals