Lecture 1-Introduction and Homeostasis.pptx - Animal Physiology Biology 436 SDSU Dr Kevin Krown Email [email protected] Physiology The Study of Body

Lecture 1-Introduction and Homeostasis.pptx - Animal...

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Animal Physiology Biology 436 SDSU Dr. Kevin Krown Email: [email protected]
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Physiology: The Study of Body Function
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What is Human Physiology? How the human body (internal environment) functions How organisms accomplish essential tasks Pathophysiology: Altered function that leads to disease
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Organ ablation/replacement in physiological research Arnold A Berthold (1803-1861) Conclusion: Substance produced by an organ (testes) exerts an effect on other structures (comb, feathers, behavior)
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Concept of constant internal environment (milieu interior) " The living body, though it has need of the surrounding environment, is nevertheless relatively independent of it. This independence which the organism has of its external environment, derives from the fact that in the living being, the tissues are in fact withdrawn from direct external influences and are protected by a veritable internal environment which is constituted, in particular, by the fluids circulating in the body." Claude Bernard (1813-1878) Father of modern physiology
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