defense reaction

• Автоматическая физиологическая или психологическая реакция на воспринимаемую угрозу, часто включающая механизм «бей или беги» или защитное поведение.

An automatic physiological or psychological response to a perceived threat, often involving the fight-or-flight mechanism or protective behaviors.

1. Biological immune responseB2formal

   The body's automatic response to protect itself against harmful pathogens, injuries, or threats.

   Защитная реакция

   • A fever is a common defense reaction to an infection.
   • The immune system triggers a defense reaction when it detects a virus.
   • Allergies are an overactive defense reaction to harmless substances.