PLN 103 Lecture Notes - Lecture 1: Diabetes Mellitus Type 2, Gross Anatomy, Cell Physiology
17 Nov 2015
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Common characteristics suggest the same path in evolution. Homeostasis: the existence of a stable internal environment; goal of physiological regulation and the key to survival in a changing environment. Homeostasis: all body systems working together to maintain a stable internal environment. Body weight is regulated but a great deal for variability. Homeostasis is a state of equilibrium: opposing forces are in balance. Physiological systems work to restore balance, failure results in disease. Body will regulate within a blood glucose range. If over time you don"t eat a good diet, and those signals persist, eventually there"s a point where disease will progress (type 2. If you can"t restore balance disease kicks in. Amplification to a signal to defuse and slow down the rate of processes (blood clotting) Auto-regulation: occurs when a cell, a tissue, an organ or an organ system adjusts its activities automatically in response to some environmental change.
