Animal Heart Rate Comparison | Slowest to Fastest Heartbeat

How fast does a heart really beat? In this animal heart rate comparison we look INSIDE the chest of 30 different creatures - from the ocean's slow giants to the tiniest mammal on Earth - and watch their hearts beat at their true speed. Whales, reptiles, insects, birds and more, ranked from the calmest pulse to a heartbeat so fast it becomes a blur. Can you guess which animal holds the record - and where the human heart lands on this scale? 📌 In this video: • Animal heart rate comparison: 30 species ranked slowest to fastest • See-through anatomy view - a real beating heart inside every animal • Mammals, birds, reptiles, fish and insects side by side • Educational comparison of heartbeats per minute across the animal kingdom If you enjoy science and animal comparisons, hit Like, drop a Comment with the heartbeat that surprised you most, and Subscribe - new comparison videos are on the way! Thanks for watching! ❤️ #comparison #animals #heartrate #biology #education