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Chapter 11, The Cardiovascular System Introduction Overview of the Cardiovascular System The Heart Macroanatomy of the Heart Microanatomy of the Heart The Heart as Excitable Tissue Electrocardiogram Cardiac Cycle Stroke Volume Cardiac Output Coronary Circulation Myocardial Oxygen Consumption The Vascular System Arteries Arterioles Capillaries GAS EXCHANGE MOVEMENT OF FLUIDS Venules Veins Blood Hormonal Control of Blood Volume Cardiovascular Dynamics Cardiac Output (Q) Mean Arterial Pressure (MAP) Total Peripheral Resistance (TPR) Principles of Blood Flow Regulation of the Cardiovascular System Plowman & Smith: Exercise Physiology for Health, Fitness, and Performance, 4th ed. ©Lippincott Williams & Wilkins, 2014 Page 1 Neural Control Anatomical Sensors and Factors Affecting Control of the Cardiovascular System Higher Brain Centers Systemic Receptors BARORECEPTORS STRETCH RECEPTORS Chemoreceptors Muscle Joint Receptors Neurohormonal Control Measurement of Cardiovascular Variables Cardiac Output Stroke Volume Heart Rate Maximal Oxygen Consumption Field Tests of Cardiorespiratory Capacity (VO2 max) Blood Pressure Plowman & Smith: Exercise Physiology for Health, Fitness, and Performance, 4th ed. ©Lippincott Williams & Wilkins, 2014 Page 2