Select the correct answer how would you say good-bye to a friend at school whom you'll be meeting the next day? a. adiós. b. hasta mañana. c. buenas noches. d. hasta ahora. e. hasta pronto.

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!