Place the events involved in the propagation of an action potential in the correct
order of occurrence. The first event is 1, the second event is 2, etc.
Voltage-gated Na+ channels open
[Choose]
AP regenerated in adjacent axon
segment
[Choose]
Influx of Na+
[Choose]
Local current flows to axon segment
[Choose]
Axon segment depolarized to
[Choose]
threshold