A target organ product serving as an inhibitor of the signal to the target organ is an example of Negative feedback loop Hormone Positive feedback loop Nervous system stimulation
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Bryan V.
a feedback loop is an example of negative or positive feedback
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The activity of many end organs is regulated by negative feedback. The figure below shows the basic elements of homeostatic control system. Box B shows a feedback loop with selected parts missing. Assume, for this system, that the stimulus initiates declining T and T levels in the blood, which produces a drop in metabolic rate. Fill in the information missing in the boxes to correctly complete this. Also, indicate whether it is a negative or positive feedback loop. Stimulus: Produces change in variable Response: Elicits feedback to influence magnitude of stimulus Variable: Change detected Stimulus: Receptor (sensor): Effector: Blood levels of Ta and T1 Stimulus: Input: Information sent along afferent pathway to Change detected Levels of T1 and T2 Input: Information sent along afferent pathway to Result of output Control center Output: Secretes Output: Secretes Activates target Feedback loop
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