Library · Physiology
Homeostasis
Make it clearer
Homeostasis does not mean that everything inside the body stays fixed. It means that internal variables can change within certain limits while the body monitors them around a set point.
Think of a thermostat. It allows small fluctuations, but when the temperature moves too far, it responds in the opposite direction. That process is called negative feedback, and it helps return the variable toward its stable range.
In brief
Homeostasis is the dynamic maintenance of stable internal conditions: the body monitors physiological variables that fluctuate around a set point.
Negative feedback helps maintain that balance by producing responses that counter a deviation from the set point.
Think of a thermostat that allows small fluctuations but responds in the opposite direction when the temperature moves too far from its setting.
Sources (1)
- OpenStax, Rice University1.5 Homeostasis, Anatomy and Physiology 2ePublished
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