Pulmonary artery carries
deoxygenated blood from right ventricle to the lungs.
deoxygenated blood from left ventricle to the lungs.
oxygenated blood from lungs to the left atrium.
oxygenated blood from the right ventricle to the lungs.
Deoxygenated blood; Right ventricle→Pulmonary artery→Lungs
Oxygenated blood; Lungs→Pulmonary veins→Left atrium