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Multiple Choice

What term describes maintenance of stable internal conditions?

Maintaining stable internal conditions is homeostasis. It describes how the body regulates variables like temperature, fluid balance, pH, and energy supply so cells function reliably despite changes around us. This continual balancing act explains why systems respond to heat with sweating or to cold with vessel constriction, keeping the internal environment within a narrow range. Equilibrium is a general balance term, but it isn’t specific to the body’s regulatory processes. Metabolism refers to the chemical processes that provide energy and build or break down substances, while respiration is the process of gas exchange and energy release. So, the term that best describes keeping internal conditions stable is homeostasis.

Maintaining stable internal conditions is homeostasis. It describes how the body regulates variables like temperature, fluid balance, pH, and energy supply so cells function reliably despite changes around us. This continual balancing act explains why systems respond to heat with sweating or to cold with vessel constriction, keeping the internal environment within a narrow range. Equilibrium is a general balance term, but it isn’t specific to the body’s regulatory processes. Metabolism refers to the chemical processes that provide energy and build or break down substances, while respiration is the process of gas exchange and energy release. So, the term that best describes keeping internal conditions stable is homeostasis.