What is meant by the “pulmonary circulation”? The flow of blood: A. out the aorta and back through the vena cavae. B. from the heart through the lungs and back to the heart. C. into the coronary arteries and back through the coronary sinus. D. into the vena cavae and out to the pulmonary trunk via the right ventricle.
Option B. Pulmonary circulation means the flow of blood from the heart through the lungs and back to the heart.
