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BIOL 2224 Circulatory System UPDATED ACTUAL Questions and CORRECT Answers

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BIOL 2224 Circulatory System UPDATED ACTUAL Questions and CORRECT Answers

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BIOL 2224 Circulatory System UPDATED ACTUAL
Questions and CORRECT Answers




Largest blood vessels attached to the heart Pulmonary Trunk and Aorta


Pulmonary trunk Carries blood from right ventricle to the pulmonary circulation.




Aorta Carries blood from left ventricle to systemic circulation.




Carry blood AWAY from the heart Arteries


Smallest branches of arteries that lead to capillary Arterioles
beds

, Smallest blood vessels with thin walls. Capillaries




Smallest branches of veins that collect blood from Venules
the capillaries




Return blood TO the heart Veins


How many layers do vessels have? Three


What are the layers of the vessel walls? Tunica Intima - Inner
Tunica Media - middle
Tunica Externa - Outer




What layer includes endothelia lining, Connective Tunica Intima
tissue, and an internal elastic membrane




Elastic fibers in outer margin of tunica Intima (in Internal Elastic Membrane
arteries)


Which layer contains smooth muscle, encircles the Tunica Media
endothelium, binds to inner and outer layers?




Separates tunica media from tunica externa External Elastic Membrane


Which layer anchors vessel to adjacent tissues, Tunica Externa
containers collagen fibers, elastic fibers and smooth
muscle cells?

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