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Homeostasis is, in fact, maintenance of an environment. In medical science, it is an ability of human body to keep internal environment at or around (with very narrow range) a level in which various systems of the body can perform smoothly. Through this property human body responds to different types of disturbances of homeostasis efficiently so that health is maintained.


As body needs to respond to any disturbance in the internal milieu very quickly therefore initial response of the body is a reflex response usually takes place through peripheral controlling systems, especially nervous system. Failure of homeostasis causes diseases disease and sometimes death.
Major systems controlling homeostasis in the body are nervous system and endocrine system. These systems have got their own specific characteristics which make them integral components which help maintain homeostasis:
There are some physiological set points related to various systems in the body. Whenever there is disturbance to these set points body responds to this change and tries to bring the situation back to normal. This reversal of disturbance or change is necessary to keep an individual healthy and alive. Some of these conditions or parameters are:
Central nervous system (CNS), autonomic nervous system (ANS) and endocrine systems work together to maintain these parameters within normal limits. Any change in the set points is detected and recognized by these systems and efficiently maintained by these systems with the help of feedback system. ...
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