The normal body temperature in humans is 98.6 degrees. At 95 degrees, hypothermia has already set in. At 86 degrees, you're unconscious. Next, is death. So, when you're on an frozen-over lake, use extreme caution on that seemingly solid ice, because if you fall through, it just might be your last swim.
This Discovery Channel video will show you "How to Survive" falling through ice. The cold temperature immediately causes you to gasp for air— it's called cold shock or torso reflex. Learn how to remain calm, restore your breathing and figure out a way for a calm escape. Learn the best way to survive!