Your body keeps dozens of values, like temperature, blood sugar, and pH, close to a set point. That is the target value it aims for. Knock one off balance, and a negative feedback loop jumps in to pull it back. Throw the body a curveball below. Then 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 control
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)