Your brother is always complaining how slow his computer is. what single action can he take that will provide him the biggest performance gain and make his computer faster?

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!