ocr: Pulmonary capillary bed, Alveolus of lung Pulmonary artery to lungs)- Aorta to body) Pulmonary veins Superior vena cava. (from lungs) (from upper bodyl LA RA Aortic valve Pulmonic valve Tricuspid valve LV Mitral valve RV Inferior vena cava (from lower body) Course of Course of RA - Right atrium unoxygenated oxygenated LA = Left atrium RV = Right ventricle blood blood LV = Left ventricle