A Difference Between Veins and Arteries Is

A difference between veins and arteries is

A) arteries have three layers (tunics) ; veins have only two layers (tunics)
B) venous blood is under more pressure than is arterial blood
C) arteries have their own blood supply (vasa vasorum) ; veins do not
D) the tunica interna (intima) and tunica media are thinner in veins than in arteries

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