My sony flatscreen tv's remote won't work. i can't turn up the volume or use buttons other than turning it on. i can't open the menu either.

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!

something will pop up that says “know the answer? answer now! ” and you click on it and write your answer. after you are done, submit it.