Dictionary of Human Evolution and Biology

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Maintenance or regulation of temperature. In physiology, thermoregulation results from the sum of factors that contribute to homeostasis with respect to an organism’s thermal well-being. These factors include internal temperature adjustment in homeotherms or behavioral location adjustment in poikilotherms, as well as many factors that contribute to heat gain and los during exercise, such as breathing rate, surface area of heat-dissipating tissues, and the rate of moisture los from those tissues and surfaces. Thermoregulation permits essential processes to occur while avoiding destruction of tissue.

See partitional calorimetry.

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