Layers of arteries and veins
Arteries
2. Veins have the same three layers as arteries have and have a flap-like valve inside to prevent backflow of blood. a. Veins are thinner and less muscular than arteries; they do not carry high-pressure blood. b. Veins also function as blood reservoirs. 13.5 Blood Pressure (p. 346)
[DOC File]BLOOD VESSELS AND LYMPHATIC SYSTEM
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Small arteries and veins. In walls of large arteries and veins. Supply cells of tunica media and tunica externa. Differences between Arteries and Veins. Arteries and veins run side by side. Arteries have thicker walls and higher blood pressure. Collapsed artery has small, round lumen (internal space) Vein has a large, flat lumen
[DOC File]Classes of Blood Vessels - WCJC
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Arteries and veins generally share the same histological layers; the tunica intima, tunica media and tunica adventitia (as shown here). Two images of a vessel, the only difference is …
[DOC File]ARTERIES
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arteries. wall w/ all 3 layers. elastic arteries conducting vessels thick elastic tunica media stretch allow blood from heart. recoil press blood forward. large diameter allow blood flow. Aorta and major branches. muscular arteries distributing vessels. thick tunica media - smooth muscle. controls blood flow to parts, organs of body. most named ...
[DOC File]Chapter 15 - Cardiovascular System
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I. Arteries, Veins, Capillaries. SIMILARITIES DIFFERENCES. 3 same layers -veins have thinner layers-capillaries have one layer. carry blood cells -arteries carry oxygenated blood except pulmonary-veins carry deoxygenated blood except. pulmonary - capillaries carry both-veins have valves
[DOC File]Week 20 Learning Objectives
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Veins. Veins are the blood vessels that carry deoxygenated blood back to the heart (apart from the pulmonary vein). The walls of the veins are thinner than the arteries, but they do still have the same three layers in them. Some veins have valves in them to ensure the flow of …
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