Biology / Unit 12 Bio 2757 short lesson, about 20 seconds
Thermoregulation: Four Heat-Exchange Mechanisms
Captions available
The idea
An animal exchanges heat with its environment through four mechanisms: radiation, evaporation, convection, and conduction.
In practice
Radiation and conduction move heat without body fluids; evaporation and convection depend on air or water movement across the skin.
Where people slip
Conduction requires direct contact with a surface or substance — radiation and evaporation do not.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Something wrong in this lesson? Flag it · Sources for Biology