Which of the following blood vessels in the circulatory system of frog has more oxygenated blood?

Q. Which of the following blood vessels in the circulatory system of frog has more oxygenated blood?

A.            pulmocutaneous artery

B.            pulmocutaneous vein

C.            pulmonary artery

D.            precaval veins

Answer: pulmocutaneous vein