A respiratory system may cause death.Logical formLearned from2 sentences. A virus may target a respiratory tract by binding to a surface of cells.Logical formLearned from2 sentences. Sensitization of a respiratory system may result in symptoms.Logical formLearned from2 sentences. A (system ..) can be respiratory.Logical formLearned from2 sentences. Respiratory diseases can be preventable.Logical formLearned from2 sentences. Respiratory diseases may be associated with exposure to (silica dust).Logical formLearned from2 sentences. Properties may pertain-to a respiratory system.Logical formLearned from2 sentences. (Organ motion. 4ds) can be respiratory.Logical formLearned from2 sentences. A performance can be respiratory.Logical formLearned from2 sentences. Skills can be as a respiratory physiologist.Logical formLearned from2 sentences. Mucous membranes may pertain-to respiratory passages.Logical formLearned from2 sentences. An uptake can be from a respiratory tract.Logical formLearned from2 sentences. Chronic inflammation may pertain-to respiratory passages.Logical formLearned from2 sentences. A respiratory infection may be caused by viruses.Logical formLearned from2 sentences. A respiratory infection may be caused by variety of (flu viruses).Logical formLearned from2 sentences.