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The pulmonary circulation is a circuit of blood circulation in the cardiovascular system, serving exclusively the lungs, where red blood cells pick up oxygen and release carbon dioxide during respiration.Deoxygenated blood is pumped out of the right ventricle of the heart into the pulmonary trunk, then to the pulmonary arteries and into the lungs. Via pulmonary veins, oxygenated blood is then drained into the left atrium. Blood is then circulated in the systemic circulationSystemic circulation is a circuit of circulation in the cardiovascular system. Blood circulates from the left ventricle to the organs and tissues to the systemic veins to the right atrium. The large artery leaving the heart is the aorta. The large veins e.
See also
- Human lungThe human lungs are the human organs of respiration. Frontal view of lungs cut openTrachea branches into bronchi Organization The conducting zone contains the trachea, the bronchi, the bronchioles, and the terminal bronchioles The respiratory zone contains
- Double circulatory systemThe double circulatory system in humans. In the first circuit, the blood is pumped to the lungs, where it acquires oxygen. It then returns to the heart and enters the second circuit, going to the rest of the body, eventually returning to the heart. Blood
- Pulmonary hypertensionIn medicine, pulmonary hypertension (PH) or pulmonary artery hypertension (PAH) is an increase in blood pressure in the pulmonary artery or lung vasculature. Depending on the cause, it can be a severe disease with a markedly decreased exercise tolerance a
- Pulmonary embolismA pulmonary embolism occurs when a blood clot, generally a venous thrombus, becomes dislodged from its site of formation and embolizes to the arterial blood supply of one of the lungs, causing vascular obstruction and impaired gas exchange. Signs and symp
Cardiovascular system
