Asked by Sis

During the alarm stage, what substance does the body release that triggers response to a threat?

All Answers 1

Answered by 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.