What is the role of the adrenal cortex & medulla in the fight or flight response?   I know that when the body starts to begin the process of the fight or flight repsonse that the adrenal medulla releases adrenaline (epinephrine hormones). Is that the only role the adrenal medulla has? I dont know what the role of the adrenal cortex has in the fight or flight response. I think it might have something to do with cortisol, which is the primary stress hormone.

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