alveolus structure respiratory membrane alveoli oxygen and carbon |
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| navigate by keyword : alveolus human science lung gas education vector structure blood pulmonary anatomy air respiratory organ oxygen supply medical internal health biology body breath tissue bronchial medicine exchange system disease care breathe hand alveoli respiration membrane healthy capillary carbon vein vessels tract red alveolar artery diffuses anatomical arteriole circulation venule process external |
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| Alveolus structure. Respiratory membrane of alveoli, oxygen and carbon dioxide exchange between alveoli and capillaries, external respiration mechanism. Flat vector illustration |
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