In other words, the term homeostasis is being used to describe the body’s maintenance during resting conditions whereas the termsteadystate refers to the body’s maintenance<span> during exercise; exercise is a stressor which disrupts homeostasis, also called homeostatic disturbance (e.g. an increase in temperature).
</span>Homeostasis is the maintenance of a constant internal environment (the immediate surroundings of cells) in response to changes in:
the changing conditions of the external environment. the changing conditions of the internal environment.
Homeostasis is a self adjusting mechanism involving feedback where the response to a stimulus alters the internal conditions and may itself become a new stimulus.
<span> Homeostasis works to maintain the organism's internal environment within tolerance limits - the narrow range of conditions where cellular processes are able to function at a level consistent with the continuation of life. </span>