Respiratory System CatVersion en ligne Respiratory System of Cat par Calley Connelly 1 Larynx 2 L External Jugular Vein 3 Trachea 4 L Common Carotid Artery 5 Superior (Anterior) Vena Cava 6 R Ventricle of Heart 7 L Ventricle of Heart 8 Lungs 9 Diaphragm