Compared to a vein in mammals, an artery: Circulatory System Mcqs October 26, 2019 BILAL KHATTAK0 A.Has thinner walls B.Is located more superficially C.Carries blood away from an organ D.Has no internal valves Related Mcqs: An artery differs from a vein in having: Carotid artery carries: In a portal system: An artery is: Blood pressure is the force which: Regulation of heart beat in mammals is only due to: Which among the following is related to the word Mesoderm? In a four stroke engine, each cylinder has Which of the artery in frog has a receptor in form of a labyrinth: One of the mechanisms for increasing heat production and conservation in mammals involves: