A(n) is a place on a computer where you attach a device to exchange data with the computer

you're giving away points because you can't type stuff out.

explanation:

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!