The sympathetic nervous system uses epinephrine, or adrenaline,as a neurotransmitter and a hormone to exert its effects. Theseeffects are often described as \"fight or flight\".
Answer the following prompt: Epi-pens, which containepinephrine, are used in people who are having severe allergicreactions. Specifically, these are used to improve breathingproblems. Why do you think epinephrine helps in this case? What aretwo other effects an epi-pen may have as a sideeffect?  Would injecting the epi-pen be more similar toour body using epinephrine as a hormone or aneurotransmitter?Why?
