Is a mechanism that when used appropriately returns the body to?

HOMEOSTASIS is a mechanism that when used appropriately returns the body to its normal state.
Homeostasis is the process by which the body maintains constancy in its internal environment. Maintaining a constant internal environment is very important because the survival of the cells in the body depends on it.

What’s the question here ?

1.wear safety goggles when heating or mixing substances 2.tie back long hair when doing experiment in order to prevent from catching fire or dipping into chemicals accidentally 3.keep all exits and passages clear4.wear laboratory coats