Your body holds dozens of values — temperature, blood sugar, pH — inside a narrow set point. Knock one off balance and a negative feedback loop springs into action to pull it back. Throw the body a curveball below and follow the loop, step by step.
The monitor live reading
37.0°CNormal
The negative feedback loop watch it fire
Body temperatureresting at its set point
Choose what to regulate
Throw it off balance
pace
What’s happening
📷 Reference image
A real labeled figure to compare with the interactive above.
Homeostasis: the Feedback Loop in Action — OpenStax, CC BY 3.0 (via Wikimedia Commons)