Fig. (2) Midsagittal section of the upper respiratory tract. OP: oropharnyx. LP: laryngopharnyx. TR: trachea. ES: esophagus. EP: epiglottis. TC: thyroid cartilage. CC: cricoid cartilage. Arrow A: path for direct laryngoscopic orotracheal intubation. Arrow B: path for surgical cricothyrotomy. Arrow C: path for high surgical traceostomy.