Why Your Heart Races When You're Scared | Science Explained

😱 Why does fear make your heartbeat suddenly speed up? Our bodies have an extraordinary built-in response to potential danger. 🔬 Explore the science behind adrenaline, the nervous system, and your racing heart in this DinoDiscover educational short. 🦖 Discover the amazing science hidden in everyday experiences. 💬 Explorers, what should Dino investigate next? #DinoDiscover #ScienceFactsHumanBodyFearHeartRateAdrenalineBiologyEducationalVideos