they both carry blood, differences:
Veins- oxygen-poor blood that is returning to the heart
Arteries- oxygen-rich blood that is going to the cells
arteries are thicker then veins
Superficial veins, such as the cephalic vein, the basilic vein, and the great saphenous vein, have names that do not correlate to arteries.
The pulmonary circuit.
arteries
the veins are narrower and the arteries are thicker because the arteries should have to withstand a great force
the pulmonary vein?
arteries
Arteries (except the pulmonary artery) and one vein the pulmonary vein.
segmental
arteries 've short lumen where as veins 've large lumen.
NO.Portal vein is a vein,but is an important supply to liver which carries nutrients absorbed from gastrointestinal tract and spleen.Meseteric arteries are the arteries supplying intestine.On the other hand superior mesenteric vein is a tribuatory to portal vein.
I BELIEVE THE CORRECT ANSWER IS THE PHRENIC .