Pulmonary Veins. – From this net-work of arteries and air sells the radicals of the pulmonary veins arise, and, coalescing into larger and larger branches, at length accompany the arteries and return the blood to the left auricle of the heart in a purified condition. The pulmonary arteries and veins differ from the same vessels […]

Blood-Vessels.  –on the next lap we have a graphic illustration of the internal arrangements of the blood-vessels of the lungs and bronchial tubes.  The pulmonary artery, arising from the right ventricle of the heart, conveys the venous blood to the lungs.  It penetrates the lungs and divides and subdivides into branches, which accompanied the bronchial […]