Homeostasis is the maintenance of a _____ internal environment;

Question

BlackTom AI · Accepted Answer

In physiology, homeostasis refers to the body's ability to maintain a relatively constant and optimal internal environment despite changes in the external conditions.
Option a. Static — This is misleading because homeostasis aims for stability and constancy, not a fixed, unchanging state; the internal environment can fluctuate within narrow limits to keep it stable.
Option b. Stable — This accurately captures the key idea: the internal milieu is kept stable, such as through regulation of temperature, pH, and ion concentrations, to support cellular function.
Option c. Warm — Temperature is one aspect that may be regulated, but homeostasis is not defined by warmth itself; it’s about maintaining overall internal stability, not a specific temperature state.
Option d. Chemical free — The body functions with many chemicals present; homeostasis involves regulating chemical conditions, not eliminating them; this option misstates the concept entirely.

Homeostasis is the maintenance of a _____ internal environment;

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