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The bodies ability to maintain relativity stable internal conditions even though the outside world is continuously changing


Some type of sensor that monitors and responds to changes in the environment

Control Center

Determines the level at which a variable is to be maintained, analyzes the information it receives and then determines the appropriate response of the corse of action


Provides the means for the control center's response (output) to stimulus

Negative Feedback Mechanisms

Net effect of the response to the stimulus is to shut off the original stimulus or reduce its intensity

Positive Feedback Mechanisms

Control infrequent events that occur explosively and do not require continuous adjustments

Homeostatic Imbalance

Diseases regarded as a result of its disturbance

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