Intro + Heart Figs BW

Intro + Heart Figs BW - Physiology and the Internal...

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Physiology and the Internal Environment Homeostasis : Maintenance of the constancy of the internal environment. Skin “… the study of the normal functioning of a living organism and its component parts, including all its chemical and physical processes.” - Silverthorn, in Human Physiology , 3 rd Ed.
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Negative Feedback
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Negative Feedback Regulation of Plasma [Glucose] Insulin Glucagon Glucose uptake Glycogen synthesis Glycogenolysis β Cells α Cells Glucose Glucose
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Outline A. The Need for Circulatory Systems B. Closed vs. Open Circulatory Systems C. Comparison of Vertebrate Hearts D. The Cardiac Cycle E. Electrical Activity of the Heart The Heart
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Diffusion is Adequate only over Short Distances 0 20 40 60 80 100 120 140 160 180 0 0.2 0.4 0.6 0.8 1 Distance (cm) Time (min) Time (Distance) 2 100 µ m in 1 sec 1 cm in ~ 3 hr
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Closed and Open Circulatory Systems Open Closed
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Vertebrate Circulatory Systems Atrium Ventricle Artery Arteriole Capillary Venule Vein
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Fish Circulatory System In humans:
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This note was uploaded on 04/17/2009 for the course BISC 220 taught by Professor Mcclure during the Spring '09 term at USC.

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Intro + Heart Figs BW - Physiology and the Internal...

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