BIOM20002 Lecture 1: 1 Homeostasis
Physiologists study the way cells, organs and the whole body function and how these functions
are maintained in a changing environment
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Essential for the survival of each cell and hence the individual
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Detect changes: sensor
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Message to integrator: afferent
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Controller or integrator: compare to set point
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Message to effector: efferent
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Response: return to within desired range. Negative feedback
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Homeostasis: maintenance of a relatively stable internal environment
1 Homeostasis
Saturday, 19 July 2014
8:52 PM
HSF Page 1
