Blood Circulation in the Heart🫀 🫀The circulatory system transports deoxygenated blood to the lungs for oxygenation, releases CO2, returns the freshly oxygenated blood to the heart, and then distributes it throughout the body. Superior vena cava / inferior vena cava Right atrium Tricuspid valve Right ventricle Pulmonic valve Pulmonary artery Lungs → this is where gas exchange occurs! 🫁 Pulmonary vein Left atrium Mitral valve left ventricle Aortic valve Aorta Oxygenated blood is supplied to the body! 🩸