In a Cross Section Through an Artery and Vein Running

question 36

Multiple Choice

In a cross section through an artery and vein running parallel in your leg, which would necessarily be the artery?

• A) The vessel with the largest interior diameter
• B) The vessel with more muscle tissue and elastin in the wall
• C) The vessel lined with endothelium
• D) The vessel with valves to prevent backflow
• E) All of the above

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