Final answer:
The fight-or-flight response involves cortisol release to prepare the body for stress. Cortisol acts as a key hormone in regulating stress responses.
Explanation:
Fight-or-Flight Response and Cortisol Production
The fight-or-flight response is triggered by stressful situations or threats, leading to the release of cortisol and adrenaline. Cortisol is known to increase heart rate, blood pressure, and other physical effects aimed at preparing the body to face the stressor.
Cortisol acts as a negative feedback mechanism, helping to regulate stress responses by reducing activity in the hypothalamus. Prolonged stress can lead to symptoms like depression and fatigue due to the continued release of cortisol.
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