https://chem.libretexts.org/Courses/Saint_Francis_University/Chem_114%3A_Human_Chemistry_II_(Muino)/27%3A_Chemical_Messengers-_Hormones_Neurotransmitters_and_Drugs/27.03%3A_How_Hormones_Work_-_Epinephrine_and_Fight-or-Flight
27.3: How Hormones Work - Epinephrine and Fight-or-Flight - Chemistry LibreTexts
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