+The **fear response** is a fundamental survival mechanism, an automatic physiological and psychological reaction to perceived [Danger](/wiki/danger). It prepares an organism for immediate action, often manifesting as [Fight or Flight](/wiki/fight_or_flight), driven by deep-seated evolutionary impulses.
+## See also
+- [Anxiety](/wiki/anxiety)
+- [Stress](/wiki/stress)
+- [Emotion](/wiki/emotion)
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