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:B
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