net absorption at venous end fluid moves out at arterial end most returned at

Net absorption at venous end fluid moves out at

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net absorption at venous end fluid moves out at arterial end, most returned at venous end approx. 3 L added to ISF during one day – returned to circulation by lymph
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VENULES venules nearest capillaries – some exchange collect blood from capillaries VEINS thin walls – very compliant large diameter – low resistance ~60% of blood at any given time smooth muscle – sympathetic vasoconstriction Vander 9 th ed NE --- alpha-adrenergic receptors 10-15mmHg 0 mmHg
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Silverthorn 7 th ed Figure 14.22 pg 472
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valves – ensure one-way flow skeletal muscle pump respiratory pump Vander 9 th ed Silverthorn 7 th ed Figure 15.4 pg 481
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part of transport system lymph returned to CV system in veins near RA net filtration of 3 L returned to CV system this way edema – accumulation of large amounts of ISF – failure of lymphatic system Vander 9 th ed fluid, proteins, bacteria etc valves, smooth muscle skeletal muscle pump Lymphatic System Silverthorn 7 th ed Figure 15.8, 15.19 pg 499,500
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Next Lecture – CV Physiology 6 See you then – Phyl & Heartley
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