Across
- 4. What is the phase when the membrane becomes more negative than resting
- 7. What type of signal is an action potential
- 8. What type of cell generates an action potential
- 13. Which ion mainly exits during repolarization
- 14. What junction connects two neurons
- 17. What is the resting membrane potential called
- 18. What triggers an action potential
Down
- 1. Which part of the neuron carries the impulse away from the cell body
- 2. What structure controls ion movement across the neuron
- 3. What force drives ions across the membrane
- 5. What difference in charge exists across the membrane
- 6. What is the rising phase of an action potential called
- 9. What prevents backward propagation of impulses
- 10. What is the speed of impulse conduction called
- 11. What is the electrical signal in a neuron called
- 12. What structure speeds up impulse conduction
- 13. What restores ion balance after an action potential
- 15. Which ion mainly enters during depolarization
- 16. What is the falling phase called
