Describe the negative feedback loop in detail. Explain the function of each component. A general negative feedback loop, not one specific to temperature regulation.

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Answer 1

The negative feedback loop is a type of homeostatic regulation of the body. The first step of this process is to receive a stimulus from the external environment that something has changed that, if not addressed, could lead to a homeostatic imbalance. That stimulus is initially processed through a receptor, and the information is transmitted from the receptor along the afferent pathway (think: "afferent is going away from the stimulus"). The afferent pathway ends at the "control center" of the body, aka the central nervous system. The control center decides how the body will respond, and it sends the output (the information for how to respond to the stimulus) along the efferent pathway (think: "efferent is effecting the body"). The final step is how the body responds to that initial stimulus in order to maintain homeostasis!