Adjustment of physiological systems within the body is called homeostatic regulation, which involves three parts or mechanisms: the receptor, the control centre, and the effector. The receptor receives information that something in the environment is changing. The process is the tendency of biological systems to maintain relatively constant conditions in the internal environment while continuously interacting with and adjusting to changes originating within or outside the system. Positive and negative feedback are more complicated mechanisms that enable these three basic components to maintain homeostasis for more complex physiological processes. The maintenance of healthy blood pressure is an example of homeostasis. If blood pressure is too high, the heart should slow down; if it is too low, the heart should speed up. More than half of a human’s body weight percentage is water, and maintaining the correct balance of water is an example of homeostasis.

Della Mariya Davis

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