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Unformatted text preview: Atrial systole and ventricular diastole lasts .1 seconds Ventricular systole and atrial diastole lasts .3 seconds EKG page 1054 Arteries page 1058 Veins have valves myogenic sphincters body knows where to send blood in situations capillary exchange Interstitial fluid and tissue 25% diffusion 75% bulk flow- movement based on pressure small hydrophilic molecules go out through pores in capillaries (1 cell thick) pressure becomes less along the way pressure in interstitial fluid increases, waste comes in to capillaries...
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- Fall '08