Matching Pairs Cold & HeatOnline version Match word with its definition. by James Driscoll 1 Heat Stroke 2 Frostbite 3 Heat Exhaustion 4 Heat Cramps 5 Hypothermia Painful spasms of skeletal muscles that develop after heavy exercise pr work outdoors in warm or moderate temperatures. 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. A life-threatening condition that develops when the body's cooling mechanism fails.