Which of the following statements accurately reflects how a physiologist would describe a neuron?
a. The cell body has one long process called an axon, and many other processes called dendrites.
b. The space between the neuron and its target is called the synapse.
c. The axons of neurons found in the PNS can be bundled into structures called nerves.
d. Sodium and potassium channels open and close to enable transmission of an action potential.