The definition of direction of impulse is the direction that impulse flows through a neuron. An important thing to remember is that the nerve impulse can only travel in one direction.
There are 4 parts of nerve cells; cell body, an axon, synaptic end bulbs, and dendrites.
The dendrites receive the impulses and the axon sends the impulse to other neurons.
I believe that McCarthy was exposed for being a fraud. Hearings were broadcasted that showed how he intimidated witnesses and had asked abrupt questions. Interviews that had basically took away our basic civil rights.
They use Economics to Explain.