nasopharynx icon.color icon on white background nasopharynx

throat anatomy human nasopharynx nasal vector larynx nose cavity system medical mouth head respiratory sinus pharynx tongue esophagus upper oral tract epiglottis swallow health adenoid ent oropharynx face vocal oesophagus trachea adenoids organ breathing neck man smell speech deglutition laryngopharynx infection icon nostril therapy medicine healthcare icon color isolated white background logo