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Homeostasis
https://www.youtube.com/watch?v=62e8IV-WT8c&feature=youtu.be
https://www.youtube.com/watch?v=cErYz-D5taA
The process by which a constant ____________ environment is maintained despite changes in the ____________ environment.
Homeostasis
Components of the homeostatic control system
The Wallenda Modelhttps://www.youtube.com/watch?v=S90DnKM_j4Q
Variable?
Setpoint?
Monitor?
Coordinating Centre?
Regulator?
Dynamic Equilibrium• Changes can occur in blood glucose, temperature, blood pressure & blood pH
• BUT they stay within an acceptable range to sustain life
How is homeostasis maintained??
Two feedback mechanisms
• Change in conditions triggers response
• The response serves to _______ the change • Change in conditions trigger a response• Response serves to _________ the change
What is the value?
Thermoregulation-‐ We want to maintain an optimal range of _________ _________________ to allow our cells to function efficiently.
https://www.youtube.com/watch?v=-W7kAyUQT0E
https://www.youtube.com/watch?v=eZgv9oogscU
How do they survive!?
https://www.youtube.com/watch?v=pLPeehsXAr4
What type of feedback loop?
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