How do I turn off lanschool student?

First try logging out. If that doesn't work there is a really helpful video on how to uninstall and reinstall with everything still there. Hope this was helpful.

these  signals travel  down a part of the neuron called the axon, which is like a wire that carries the  signal  to othernerve  cells. on average a  nerve  cell sends a  signal  at about 50 meters per second, which is over 100  miles  an hour!