Human Anatomy and Physiology (A&P) Preparatory Course 2nd Edition (2021)

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Figure 1.4 Normal childbirth is driven by a positive feedback loop. A positive feedback loop results in a change in the body’s status, rather than a return to a set point. Art derivative of OpenStax College – CC-BY

Table 1.1 Comparison between negative feedback and positive feedback

Example Response Result Overall

Negative Feedback Regulation of body temperature or blood glucose Reverses a change in a physiological condition Return to a set point Provides stability

Watch this video to review homeostasis, negative feedback, and positive feedback: https://youtu.be/Iz0Q9nTZCw4

Positive Feedback Normal childbirth Intensifies a change in physiological condition Reach an end point Accelerates a process to completion


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