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Homeostasis
Homeostasis
: body’s attempt to
maintain a constant internal environment; involves three parts or mechanisms
:
·
3 parts of homeostasis
·
Receptor-
detects change in the environment; sends message to control center
·
Control
center- determines what needs to be done and sends message to effector
·
Effector
– performs some function to return environment to balanced state
Negative Feedback
Negative Feedback – the action of the effector reverses the direction of change; stabilizing effect
· Temperature regulation –
body senses COLD, feedback causes shivering which causes the body to WARM up
Negative Feedback
Author
pattyyvonne
ID
173418
Card Set
biology
Description
biology
Updated
2012-09-26T00:33:11Z
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