Bio48 - Biology 48: Human Physiology Lecture 1 -...

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Biology 48: Human Physiology Lecture 1 - Introduction to Physiology Physiology : Physis = ; ology = Study of : Mechanisms:  Physical & chemical processes responsible for : Incorporates: Unifying theme: HOMEOSTASIS Homeo = ; Stasis = Maintenance of : Walter Cannon : 1871 – 1945 (1932) Provides physiology a : Function & processes are designed to: • Health: Determined by the body’s ability to: ANY body parameter (measurable value) subject to change is : Body parameters evaluated against the “ Normal variance ” or: Maintenance of Homeostasis : Components : 1. Sensors : Tissues which detect changes in:       Gage changes against a reference value: Determined as: 2. I ntegrators (Control Center) : Tissue which evaluates: Evaluate: 3.  Effectors : (Compensating tissues) Tissue which: Function: Mechanism : 1
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Effector activity is inhibited by their : Effectors “defend”: Compensate for: Result : NOT constant BUT : Limits : Central Value : Generally Homeostasis involves : Homeostasis : Maintenance of: Deviations from set point are: Optimum : Disease : Incapable of maintaining:
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This note was uploaded on 09/06/2011 for the course BIO 48 taught by Professor Peters during the Fall '11 term at West Valley.

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Bio48 - Biology 48: Human Physiology Lecture 1 -...

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