Biology / Bio 2757 · Atom · ~20 seconds
Thermoregulation: Four Heat-Exchange Mechanisms
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An animal exchanges heat with its environment through four mechanisms: radiation, evaporation, convection, and conduction.
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Radiation and conduction move heat without body fluids; evaporation and convection depend on air or water movement across the skin.
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Conduction requires direct contact with a surface or substance — radiation and evaporation do not.