An exam can be respiratory.Logical formLearned from3 sentences. (Gas exchanges) can be respiratory.Logical formLearned from3 sentences. Asthma can be a respiratory illness.Logical formLearned from3 sentences. Respiratory illness can be among some (age groups).Logical formLearned from3 sentences. A respiratory therapist can be successful.Logical formLearned from3 sentences. Respiratory infections may be caused by bacteria.Logical formLearned from3 sentences. Respiratory failure can be in some hours.Logical formLearned from3 sentences. Some hours may be followed by respiratory failure.Logical formLearned from3 sentences. (Distress syndromes) can be respiratory.Logical formLearned from3 sentences. A risk can be for respiratory diseases.Logical formLearned from3 sentences. (Defense mechanisms) may pertain-to a respiratory system.Logical formLearned from3 sentences. An incidence of respiratory diseases may increase.Logical formLearned from3 sentences. A person may study a respiratory system.Logical formLearned from3 sentences. Respiratory failure can be in persons.Logical formLearned from3 sentences. An upper respiratory infection can be such as a cold.Logical formLearned from3 sentences.