This video breaks down the fight-or-flight response—our body’s instinctive reaction to perceived danger. It explains what happens inside us when we feel threatened, from the surge of adrenaline to the rapid heartbeat and sharpened senses. You’ll learn why this response exists, how it evolved to protect us, and what triggers it in modern life—even when the threat isn’t physical. It’s a clear, engaging look at how stress activates our survival system and what that means for everyday situations.