Final answer:
The fight-or-flight response triggers physiological changes to prepare the body for action in response to stress or danger, aiding in survival.
Explanation:
The fight-or-flight response is a physiological mechanism triggered in response to stress or danger, preparing the body for action by increasing heart rate, halting digestion, and focusing attention.
This response is adaptive in nature, allowing organisms to react swiftly to potential threats, aiding in survival.
It is recognized as the first stage of the General Adaptation Syndrome, a three-stage reaction pattern to stressors as identified by Hans Selye in his research.
Learn more about Fight-or-flight response in biology here:
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