The<unk>  (plural<unk> es), colloquially known as the voicebox, is an organ in the neck of mammals involved in protection of the trachea and sound production. The<unk>  houses the vocal folds, and is situated just below where the tract of the pharynx splits into the trachea and the esophagus.
Larynx
Pharynx
Nasopharynx
Throat
Nasal cavity
Neck
Upper respiratory tract
Airway