Negative feedback is a regulatory mechanism in which a system responds to a change by initiating processes that counteract that change, ultimately bringing the system back to its desired state or equilibrium. This concept is commonly found in various fields, including biology, engineering, and systems theory. In biological systems, for example, negative feedback helps maintain homeostasis. An example is the regulation of blood sugar levels: when blood sugar rises after eating, the pancreas releases insulin, which helps lower blood sugar levels.
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