alveoli |
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navigate by keyword : air alveolar alveoli alveolus anatomy asthma blue breathe bronchi bronchial bronchitis bronchus care chronic disease ducts education emphysema exchange gas health healthy human illustration inhalation lung lungs medical medicine oxygen pneumonia pulmonary pulmonis respiration respiratory sacs science structure system tree |
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Alveoli or Pulmonary alveolus. Human anatomy |
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