Illustration depicting bronchitis,a disease in which the mucous membranes of the bronchi (airways in the lungs) become inflamed and clogged with mucus. There are two types: acute and chronic. The former is usually the result of a cold or viral infection,and the latter is often the result of smoking tobacco or long-term exposure to air pollution | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schroeder, Monica |
Bildgröße: | 1638 px × 1267 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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