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					    Negative Feedback in Incubators
Temperature          Thermostat             Heater
  sensor             system with            switches
                                              off
                        switch
    Rise in temp
                                   Fall in temp


               Normal body temperature
     Fall in temp                  Rise in temp



                     Thermostat           Heater
Temperature                              switches on
                     system with
  sensor
                        switch

				
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posted:4/24/2013
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