And this basically contributes to our increase in positive charge on the inside of our cell. Now, eventually, we move on to phase number one. So this is phase number one. Now, just as quickly as these sodium voltage gated channels open, they close. Remember, because they're time dependent, they are only open for a very small fraction of a second. So as soon as we reach this highest point of positive 30 millivolts, these sodium voltage gated channels basically close very quickly.