bronchitis lung disease |
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| navigate by keyword : bronchitis infection swelling bronchioles breathing alveoli difficult inflammation disease trachea bronchi airway normal vector anatomy illustration organ sore respiratory lung medical health medicine human chest system biology wheezing capillary respiration pulmonary icon isolated diagram breath air education bronchial illness virus cough mucus clogged collapsed obliterans man male silhouette poster test |
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| Bronchitis concept, infection of the lungs. Bronchi anatomical poster. Irritated, swelling and inflamed airways. Difficult breathing, cough, chest pain and mucus in lungs flat vector illustration. |
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