the structure of the human trachea. the hyoid bone. adam`s apple. left and right bronchus. thyroid cartilage.

anatomical anatomy art asthma biology breath bronchi bronchial bronchus cancer care cartilage chest clipart design diagram disease drawing education element epiglottis gland graphic health healthy hormone human illustration internal isolated larynx medical medicine neck organ pneumonia realistic respiration respiratory science sign structure symbol system throat thyroid trachea vector white