What is the structure that is responsible for returning oxygenated blood to the heart?
A)Pulmonary artery.
B)Pulmonary vein.
C)Superior vena cava.
D)Inferior vena cava.

Question

Quizplus · Accepted Answer

The pulmonary vein carries oxygenated blood to the heart.The pulmonary artery carries deoxygenated blood from the heart to the lungs.Both venae cavae return blood to the right atrium of the heart.

What Is the Structure That Is Responsible for Returning Oxygenated