Across
- 6. the sympathetic nervous has ____ postganglionic fibers (length)
- 7. ____ system, deals with "fight or flight"
- 9. low potassium
- 10. ____ system always goes to smooth muscle, cardiac muscle & glands
- 11. cell membrane of neuroglia cells wrapped around nerve processes
- 13. helps to return the cell to the resting state
- 14. a neurotransmitter
- 15. voltage gated potassium channels open during this step
Down
- 1. when a cell's resting membrane potential is more negative than usual
- 2. ____ system always goes to the skeletal muscle
- 3. main reason why the inside of a cell is negative
- 4. a nerve signal, short lived reversal in the resting membrane
- 5. the space between Schwann cells
- 8. the change in the resting membrane potential from a stimulus
- 12. the sympathetic nervous system has ____ preganglionic fibers (length)