Matching Pairs Cold & HeatOnline version Match word with its definition. by James Driscoll 1 Hypothermia 2 Heat Stroke 3 Heat Cramps 4 Heat Exhaustion 5 Frostbite Painful spasms of skeletal muscles that develop after heavy exercise pr work outdoors in warm or moderate temperatures. A life-threatening condition that develops when the body's cooling mechanism fails. The freezing of body tissues caused by overexposure to the cold. The early stage and most common form of heat-related illness. A life-threatening condition that develops when the body's warming fail to maintain normal body temperature.