Across
- 4. Middle ossicle
- 5. Division associated with rest and digest
- 11. Cranial nerve involved in visceral organ control
- 14. Phase when membrane potential becomes more positive
- 15. Carries signals away from the neuron
- 16. Gel-like substance filling the anterior chamber of the eye
- 17. Eye structure that focuses light
- 18. Meningeal layer directly attached to the brain
- 21. Inner ear structure for hearing
Down
- 1. Receive signals from other neurons
- 2. Connects the left and right cerebral hemispheres
- 3. Electrical impulse traveling along a neuron
- 6. Membrane becomes more negative than resting potential
- 7. Maintains homeostasis and controls pituitary hormone release
- 8. Return toward resting membrane potential
- 9. Gateway to the cerebrum; filters incoming sensory information
- 10. Insulating covering around many axons
- 12. Gap between neurons
- 13. Coordinates balance and movement
- 19. Minimum stimulus needed to trigger an action potential
- 20. White outer layer of the eye