In a Cross Section Through an Artery and Vein Running

question 3

Multiple Choice

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

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

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