Lung Anatomy Bronchioles. Within the substance of the lung, the cartilage. Each root contains a bronchus, pulmonary artery, two pulmonary veins, bronchial vessels, pulmonary plexus of nerves and lymphatic vessels.
bronchial tree model Respiratory system anatomy, Medical from www.pinterest.es
The respiratory bronchioles are the narrowest airways of the lungs, 0.5 mm across. Both bronchi and bronchioles are encircled with hyaline cartilage rings to help them maintain their shape . It also separates the chest.