Translations:Herz-Kreislauf-System/60/en
Aus Dornheim Anatomy
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Pulmonary circulation
The pulmonary circulation, also known as "small circulation", begins in the right atrium of the heart. This is where the oxygen-poor blood, which has returned from the body's circulation, collects. The carbon-enriched blood flows through the tricuspid valve into the right ventricle and is pumped through the pulmonary valve into the pulmonary artery. This is how the blood reaches the lungs. In the lung, the alveoli are surrounded by capillaries, which enables gas exchange. The blood is enriched with oxygen and the carbon dioxide leaves the blood. The oxygen-rich blood is then transported through the pulmonary vein to the heart and enters the left atrium.