Oxygen
Blood moving from the lungs to the heart carries oxygen. This blood returns to the left atrium via the pulmonary veins.
The flow of blood from the heart to the lungs and back to the heart is called the pulmonary circulation.The blood flowing from the heart to the lungs would be deoxygenated and blood flowing towards the heart from the lungs would be oxygenated.
The pulmonary artery carries blood from the heart to the lungs
Deoxygenated blood goes to the lungs to get rid of carbon dioxide and to pick up oxygen.
It's referred to as Carbon dioxide. It is the main cellular waste product that is carried in the blood to the lungs through the heart.
The heart is the prime motivation for moving blood round the body, with a section for oygenating it through the lungs, and a section for supplying nutrients to body parts.
The pulmonary veins carry blood from the lungs back to the heart.
All arteries carry blood from the heart to another organ in the body. The pulmonary artery carries blood from the heart to the lungs.
The pulmonary vein carries oxygenated blood away from the lungs, to the left atrium of the heart.
Answer Pump blood to the lungs.
Blood with no oxygen (the blood that flows to the heart picks up oxygen from the lungs).
The left atrium receives blood returning to the heart from the lungs.