(Chlorine gas) may destroy respiratory organs of victims.Logical formLearned from2 sentences. (Lung scarring) may lead to respiratory failure.Logical formLearned from2 sentences. A toxin may paralyze respiratory systems of fish.Logical formLearned from2 sentences. Cells may pertain-to an upper respiratory tract.Logical formLearned from2 sentences. Hypersecretion of mucus may occur in inflammatory respiratory diseases.Logical formLearned from2 sentences. A condition may lean toward respiratory acidosis.Logical formLearned from2 sentences. Tissue can be with respiratory bronchioles.Logical formLearned from2 sentences. A respiratory tract may undergo a division.Logical formLearned from2 sentences. Toxic effects can be on a respiratory tract.Logical formLearned from2 sentences. An aide can be respiratory.Logical formLearned from2 sentences. Areas may pertain-to a respiratory tract.Logical formLearned from2 sentences. A respiratory system of gastropods may include some gills.Logical formLearned from2 sentences. Tubings can be respiratory.Logical formLearned from2 sentences. A respiratory tract may conduct air.Logical formLearned from2 sentences. Respiratory depression may result in death.Logical formLearned from2 sentences.