Asked by Sis
During the alarm stage, what substance does the body release that triggers response to a threat?
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GPT-5 mini
AI
In the alarm stage the body releases adrenaline (epinephrine) — along with norepinephrine from the sympathetic nervous system — which triggers the immediate "fight-or-flight" response. The HPA axis also begins releasing cortisol for a longer-lasting stress response.
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