Human Performance 19

Human Performance 19 - HumanPerformance19 15:34

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Human Performance 19 15:34 Cardiovascular Physiology – Blood Vessels Arteries – large diameters, muscular walls, transport blood from heart. Veins – large diameter, thick walls transport blood to heart directional valves  (allow blood to go one direction) Capillaries – very thin walled vessels very small diameter, gas nutrient  exchange Arteries + Veins – transport Flow (of Blood) – Fastest arteries, then second fastest is veins, then  capillaries. Diameter dictates the speed of flow.  Pressure – Highest is the arteries, then capillaries, then veins. The heart  exerts the pressure. The farthest away from the pump the highest the  pressure. Diseases Of Blood Vessels   1) Atherosclerosis: most common, overtime  injury to the artery, material builds up (clotting) due to cholesterol, then it  forms a plaque. Leading cause of death in U.S. Why does it happen? 
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This note was uploaded on 10/28/2010 for the course EXSC 205Lxg taught by Professor Girandola during the Spring '07 term at USC.

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Human Performance 19 - HumanPerformance19 15:34

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