205textnotes32 - -Chapter 15 BLOOD FLOW AND THE CONTROL OF...

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Unformatted text preview: ----------------------------------------------------------------------------------------------------------Chapter 15: BLOOD FLOW AND THE CONTROL OF BLOOD PRESSURE ----------------------------------------------------------------------------------------------------------A.The Blood vessels ----------------------------------------------------------------------------------------------------------The Vascular Components of the Cardiovascular systemFig. 15-1: Model of the cardiovascular system - systemic and pulmonary circulation •Systemic (high pressure) circulation: LA, LV, Aorta, arteries, resistance (variable radius) arterioles, capillaries, venules, collecting veins, venae cavae •Pulmonary (low pressure) circulation: RA, RV, pulmonary artery, lung arterioles, lung capillaries, lung venules, pulmonary vein. Chemicals mediate smooth muscle contraction and relaxation in the arterioles (Table 15-1) •Norepinephrine (alpha receptors) - constrictor •Angiotensin II - constrictor Structural components of blood vessels (...
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This note was uploaded on 12/26/2011 for the course KIN 205 taught by Professor Blaber during the Fall '09 term at Simon Fraser.

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