Explanation

• The de-oxygenated blood from the heart comes to the lungs through the Pulmonary artery
  ***
• The deoxygenated blood returns from the body to the right atrium and from there enter the right ventricle that pumps it to the lungs through the main pulmonary artery (pulmonary trunk).
• ****
• The pulmonary veins transport oxygenated blood back to the heart from the lungs