Question

each alveolus is surrounded by a web of blood capillaries supplied by the ____________. multiple choice inferior vena cava pulmonary artery pulmonary vein superior vena cava aorta

Explanation:

The pulmonary artery carries de - oxygenated blood from the heart to the lungs. Each alveolus is surrounded by a capillary network. The blood in these capillaries comes from the pulmonary artery. The inferior vena cava and superior vena cava return de - oxygenated blood from the body to the heart. The pulmonary vein carries oxygenated blood from the lungs back to the heart. The aorta carries oxygenated blood from the heart to the rest of the body.

Answer:

pulmonary artery