Which is the proper sequence of structures through which a red cell passes on its way from the capillaries i the foot to the left ventricle? A. leg vein - vena cava right ventricle lung capillaries pulmonary vein left ventricle B. leg vein aorta- pulmonary artery right ventricle left ventricle C. leg artery pulmonary vein leg vein-right ventricle left ventricle Which is the proper sequence of structures through which urine flows on its way from the kidney to the outside
