Hibernating frogs have built-in natural antifreeze Although ice crystals form under the skin when frogs hibernate in the winter, a high concentration ofglucose occurring naturally in the frog's organs prevents the animal from freezing. Even when a deep freeze causes the frog's heart to stop beat...
Hibernating frogs have built-in natural antifreeze Although ice crystals form under the skin when frogs hibernate in the winter, a high concentration of glucose occurring naturally in the frog's organs prevents the animal from freezing. Even when a deep freeze causes the frog's heart to stop be...