For the most member, sympathetic and parasympathetic fibers serve alike organs and structures. How can they e
Nerve impulse are nerve impulse. The difference between these two systems is the chemical substance that they release when stimulated. Sympathetic nerves release Epinephrine or Norepinephrine. Parasympathetic nerves release Acetylcholine.
what's the question?
yes they are nerves and they work by e