How Hibernation Works
Walking, breathing, thinking: All of these activities burn energy. But in the winter when food supplies are scarce, some animals conserve their energy -- by hibernating.
Every living animal on Earth is burning energy all the time. Physical activities like walking and breathing burn energy. Pumping blood and digesting food burns energy. Even thinking burns energy. For warm-blooded animals, a… » Full Story on HowStuffWorks
Every living animal on Earth is burning energy all the time. Physical activities like walking and breathing burn energy. Pumping blood and digesting food burns energy. Even thinking burns energy. For warm-blooded animals, a… » Full Story on HowStuffWorks

