What is homeostasis, and why is it important?

Homeostasis is the body trying to maintain a equilibrium for many body elements, such as body temperature, body functions, etc, even with changes in the environment.

For example, the body, in trying to maintain body temperature in a cold area, would burn more calories and "create more heat" to equalize the body temperature.

Another example would be the body sweating so that excess heat would escape on a hot day.

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age range would be the answer