Catarrh can be in a respiratory tract.Logical formLearned from2 sentences. A respiratory system can be organs.Logical formLearned from2 sentences. Defenses can be respiratory.Logical formLearned from2 sentences. A minority of plaintiffs may suffer injuries to respiratory tracts.Logical formLearned from2 sentences. Some respiratory physicians may have reservation.Logical formLearned from2 sentences. Patients may suffer from respiratory failure.Logical formLearned from2 sentences. A respiratory tract may undergo resistance.Logical formLearned from2 sentences. (Surface cells) may pertain-to an upper respiratory tract.Logical formLearned from2 sentences. Respiratory distress can be constituted-of-or-filled-with blood.Logical formLearned from2 sentences. A respiratory disease can be constituted-of-or-filled-with chickens.Logical formLearned from2 sentences. Membranes may pertain-to respiratory tracts.Logical formLearned from2 sentences. A respiratory therapist may undergo a supervision.Logical formLearned from2 sentences. A respiratory system may result in fainting.Logical formLearned from2 sentences. (Hydrogen sulfide) may cause paralysis of a respiratory system.Logical formLearned from2 sentences. Patients can be with upper respiratory infections.Logical formLearned from2 sentences.