The effect of extension of the head and neck upon the infrahyoid respiratory passage and the supraclavicular portion of the human trachea.
D006257:Head; D006801:Humans; D009333:Neck; D012119:Respiration / Q000502:physiology*; D014132:Trachea / Q000502:physiology*
HEAD; NECK; RESPIRATION/physiology; TRACHEA/physiology