File:Physiology for Young People - 1884 - Interleaving of the air tubes and blood vessels in the lungs.png
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Physiology_for_Young_People_-_1884_-_Interleaving_of_the_air_tubes_and_blood_vessels_in_the_lungs.png (461 × 452 pixels, file size: 262 KB, MIME type: image/png)