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Homeostasis

Terms in this set (12)

Homeostasis
The body's ability to maintain relatively stable internal conditions even though the outside world is continuously changing.
Stimulus
causes change
Receptors
monitors changes then sends information to the control center
Control Center
Determines the levels to be maintained, analyzes information, and determines the appropriate response
Effector
causes a response to change conditions
Response
result of the stimulus
Negative Feedback
-depresses or stops the conditions to return toward set point
-Most conditions in the body
Positive Feedback
-enhances or continues the response away from set point
-Examples: childbirth, blood clotting
Hormone
signal molecule released into the bloodstream that triggers particular responses.
Integumentary System
outer covering that physically separates the body from the external environment
Interstitial Fluid
aqueous solution that fills the gaps between cells in a tissue.
Thermoregulation
the maintenance of a relatively stable internal body temperature.
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