Thermoregulation, an Important Part of Homeostasis, Is Defined as

Thermoregulation, an important part of homeostasis, is defined as

A) a mechanism for utilizing body fat for energy.
B) reduced blood flow to an animal's extremities in order to conserve heat.
C) the maintenance of internal body temperature within an optimal range despite change in external temperature.
D) the mechanisms that allow an animal to hibernate without food or drink.