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level: Level 1

Questions and Answers List

Question	Answer
the ability to maintain internal stability in an organisms and meet equilibrium in a changing environment	homeostasis
any disruption to a controlled condition (blood loss, foren chemical)	stimulus
a sensor that monitors the environment and responds to the stimulus by sending info to the control centre	sensor/ receptor
analyses the info from the sensor and determines the appropriate recponse.	control centre
muscles or glands which bring about the response or effect.	effector
is received by the control centre and once equilibrium is restored the effectors are shutoff	feedback
the ability to either increase or decrease the stimulus to maintain homeostasis	negative feedback
enhances the change so that the control process continues at a even faster rate.	positive feedback