fight-or-flight reaction

Definitions

Medical

  • noun
    (written as fight or flight reaction)
    the theory that an organism which is faced with a threat reacts either by preparing to fight or to escape

Sports

  • noun a set of physiological changes, including an increase in heart rate, blood pressure and the flow of epinephrine, that constitutes the body’s instinctive response to impending danger or other stress
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