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Homeostasis & Blood Pressure Maintainence

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How do negative feedback mechanisms contribute to homeostasis?

What are some examples in terms of temperature regulation and blood pressure maintenance?

What would happen if temperature regulation were suddenly controlled by a positive feedback loop?

These questions are pondered.

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Question: How do negative feedback mechanisms contribute to homeostasis?

Response: Negative feedback systems tend to maintain conditions that require frequent monitoring and adjusting within physiological limits, so as to maintain homeostasis. Changes that occur in a "controlled condition" are monitored by receptors. These receptors feed back information to the "control center." If the response of the "control center" reverses the original stimulus, then the system is a negative feedback loop. On the other hand, if the response enhances the original stimulus, then the system is a positive feedback loop.

Therefore, negative feedback mechanisms help ...

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This job explains how negative feedback mechanisms contribute to homeostasis.

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