Lung tissue, TEM Lung cells, fluorescent micrograph Trachea and major bronchi of lungs. respiratory system Pulmonary veins and arteries. circulation, cardiovascular system Lung blood vessels Respiratory Anatomy, 19th Century Artwork Heart and lungs, historical illustration Bronchial tree and lungs, artwork Heart and lungs Human lungs, artwork Lung anatomy, artwork Lungs in situ - anterior view. respiratory system Right lung - medial view. respiratory system Heart And Lungs, Historical Illustration Heart Art of pulmonary tuberculosis with lung cavities Heart and lung anatomy, 17th century Lungs Chest Anatomy, 19th Century Illustration Lung blood vessel nerves, 1844 artwork Alveoli Heart and neck blood vessels Artwork of alveoli Lung bronchioles Artwork of effects of asthma inhaler on man's lung Cranial nerves Respiratory tract, artwork Illustration of lung bronchioles and alveoli Anatomy of the bronchus and bronchial tubes Coronary Artery Bypass Respiratory system, artwork