pulmonalartären

The pulmonalartären, also known as the pulmonary artery, is a major artery that carries deoxygenated blood from the right ventricle of the heart to the lungs. It is the only artery in the adult body that carries deoxygenated blood. The pulmonary artery originates from the right ventricle and then branches into two main pulmonary arteries, the left and right pulmonary arteries, which lead to the respective lungs.

Within the lungs, the pulmonary arteries continue to branch into smaller arterioles and capillaries. It is in these capillaries that the exchange of gases takes place. Carbon dioxide, a waste product of metabolism, diffuses from the blood into the alveoli of the lungs to be exhaled, while oxygen from inhaled air diffuses from the alveoli into the blood.

The oxygenated blood then returns to the left atrium of the heart via the pulmonary veins. The pulmonary circulation, involving the pulmonary artery and pulmonary veins, is a critical component of the circulatory system, ensuring that the blood is oxygenated before being pumped to the rest of the body. Conditions affecting the pulmonary artery, such as pulmonary hypertension, can have serious health consequences.