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Cell, Molecular Biology & Genetics Images
Alveoli structure labeled diagram.
Drawing of an alveolus with blood capillary and gas exchange process, also shown type 1 and type 2 alveolar cells with secreted fluid surfactant. Oxygen (O2) enters bloodstream from lung alveoli and carbon dioxide (CO2) goes into the air sac to be expelled out of the body.
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Mpixels (71.6 MB uncompressed) - 5001x5001 pixels (16.6x16.6 in / 42.3x42.3 cm at 300 ppi)