Close-up of human lungs with mucus plugs blocking airways
Schlüsselwörter
lung,
mucus,
airway,
obstruction,
respiratory,
bronchial,
disease,
pulmonary,
disease,
health,
medicine,
anatomy,
human,
internal,
system,
breathing,
air,
oxygen,
carbon,
dioxide,
exchange,
inhalation,
exhalation,
bronchitis,
asthma,
chronic,
obstructive,
inflammation,
infection,
virus,
nobody
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