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COMPONENTS OF THE CIRCULATION
STRUCTURAL AND ELECTRICAL ACTIVITY
MECHANICAL ACTIVITY OF THE HEART
4 other sections not shown
action potential activity adjustments afferent aorta aortic arterial blood pressure arterial pressure arterial receptors arterioles atrial receptors blood flow capillaries cardiac cycle cardiac output cardiovascular system central venous pressure circulation circulatory system components contractile contraction coronary decrease depolarization Describe in writing diastolic effect efferent elevated endothelium exchange vessels Figure filling pressure firing rate flow of blood force heart rate hydrostatic hypotension increase interstitial fluid left ventricle liter per minute low-pressure system mechanisms medulla medullary transfer function metabolic microcirculation microcirculatory neurons node normal orthostasis oxygen parasympathetic percent Physiology posture precapillary pump red cells regulation relationship Reproduced by permission response right atrium shear rate shifts stroke volume substance sympathetic nerve systole thoracic blood volume tion tissue total peripheral resistance ultrafiltration valves vascular bed vascular endothelium vascular smooth muscle veins venomotor tone venous vessels ventricular pressure venule viscosity volume of blood whole blood