Term
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Definition
| carries blood away from the heart |
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Term
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Definition
| thick walls embedded with smooth muscle and elastin |
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Definition
| largest artery in the body |
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Term
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Definition
| emerges from left ventricle, sends blood to body tissues at 1 mph |
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Term
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Definition
| medium sized vessels; distribution of blood flow is regulated by muscular walls |
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Term
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Definition
| influenced by autonomic nerves, hormones and other chemicals |
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Term
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Definition
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Definition
| body has 50,00 miles of these |
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Term
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Definition
| tiniest of all the vessels, so narrow that RBC's must pass through in single file |
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Term
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Definition
| receive the capillary blood |
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Term
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Definition
| blood has picked up CO2 and wastes by the time it gets here |
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Term
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Definition
| has one-way valves that prevent blood from flowing back to tissues |
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Term
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Definition
| thin walls; thin layer of smooth muscle gives low resistance to blood flow |
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Term
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Definition
| carries blood back to the heart |
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Term
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Definition
| become swollen in the feet from prolonged sitting or standing |
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Term
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Definition
| innermost layer of the vessel wall; smooth and allows blood to flow easily and stream-like |
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Term
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Definition
| thin, single layer of simple squamous epithelium or endothelial cells (endothelium) |
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Term
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Definition
| thick, consists of vascular smooth muscle (VSM) and elastic fibers |
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Term
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Definition
| responsible for vasodilation and vasoconstriction and thus bp |
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Term
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Definition
| outermost layer of the vessel wall |
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Term
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Definition
| consists of collagen fibers, provides the blood vessel with blood and nerve supply and lymph drainage |
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Term
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Definition
| very small blood vessels that provide blood to the vessel itself |
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Term
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Definition
| mostly water, contains dissolved nutrients, hormones, gases, wastes and proteins |
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Term
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Definition
| bathes the body's cells with materials brought in from the capillaries |
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