Скачать или смотреть “This Is Why Your Body Shivers When You’re Scared”

Why do humans shiver when scared? This psychological and biological response is a built-in survival mechanism from ancient times. Fear activates adrenaline, muscle tension, and heat production in the body.

This YouTube Shorts video explains the real science behind fear shivers, body reactions, and human instincts. Perfect for fans of psychology facts, human behavior, and mind-blowing science explanations.


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