alveoli lungs tissue slice cross section vector illustration |
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navigate by keyword : abstract air alveoli alveolus anatomy arterial artery behaviour biology blood breath breathe breathing bronchi bronchiolar bronchiole bronchus capillary care cross dioxide drawing education emphysema exchange health healthy heart hemoglobin human illustration lobes lung lungs medical medicine muscle organ oxygen red respiration respiratory saturated saturating science section slice smooth system terminal tissue trachea vein venous |
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Alveoli in Lungs Tissue Slice, Cross section |
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