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The pulmonary artery is a crucial part of the circulatory system, responsible for carrying blood between the heart and the lungs. Unlike most arteries that carry oxygenated blood, the pulmonary artery transports deoxygenated blood from the right ventricle of the heart to the lungs. In the lungs, this blood releases carbon dioxide and picks up oxygen. This process is a vital component of pulmonary circulation, which works alongside systemic circulation to supply the entire body with oxygenated blood. The pulmonary artery is a relatively thin-walled vessel compared to the aorta, allowing for lower pressure circulation that is efficient for gas exchange in the lungs.12

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