How homeostasis is facilitated by feedback mechanism in thermoregulation?
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In response to some external stimulus, hypothalamus produces a thyrotrophin releasing hormone. The latter then stimulates the anterior lobe of pituitary to secrete TSH. If thyroxine is in excess in the blood it exerts a negative feed back control.In the positive feed back control an accumulating biochemical substance increases its own production.
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In response to some external stimulus, hypothalamus produces a thyrotrophin releasing hormone. The latter then stimulates the anterior lobe of pituitary to secrete TSH. If thyroxine is in excess in the blood it exerts a negative feed back control.In the positive feed back control an accumulating biochemical substance increases its own production.
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