The left atrium receives blood returning to the heart from the lungs.
The heart receives blood from the lungs on the left side through the Pulmonary Veins.
Right ventricle
arteries
the heart
Your lungs are around the area of your chest.
Right ventricle.
lymph
The deoxygenated blood goes into the lungs through pulmonary artery from the right ventricle. the oxygenated blood again enters the heart from the lungs by pulmonary veins to the left atrium.
The systemic circulation is the part of the circulatory system that carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart. In contrast, the pulmonary circulation is the part of the circulatory system that carries deoxygenated blood from the heart to the lungs for oxygenation and returns oxygenated blood back to the heart.
The pulmonary part of the heart is responsible for pumping blood to the lungs to pick up oxygen and release carbon dioxide. It consists of the right atrium and right ventricle, which work together to circulate blood to the lungs for oxygenation. Once oxygenated, the blood returns to the left side of the heart to be pumped to the rest of the body.
The atria are the chambers of the heart that have thin walls and receive the blood returning to the heart from the body (right atrium) and the lungs (left atrium). They act as collecting chambers and help in pumping blood into the ventricles.
The heart and lungs. Needs lungs for the oxygen. And the heart to pump the oxygen into the blood, to the brain