Final answer:
Negative feedback in biology involves a sensor, control center, and effector to maintain stability and regulate physiological values.
Explanation:
Negative feedback is a fundamental mechanism in biological systems that allows for regulation and stability. It involves components such as a sensor/receptor, which monitors a physiological value, a control center that compares the value to the normal range, and an effector that brings about a change to return the value to the normal range.
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