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0:35
YouTube
Wild Inside
Penguins Don’t Freeze Because of THIS Trick 🐧❄️#penguin #cgianimation #scienceforkids #wildinside
🐧 Penguins live in freezing temperatures, but their feet never freeze. How? They use a smart heat-saving system inside their legs called countercurrent heat exchange. Warm blood travels down from the body, while cold blood from the feet travels up. Because the warm and cold blood vessels sit right next to each other, heat moves from one to ...
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