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Title
Anatomy of alveoli in lungs #171777058
Description
Anatomy of alveoli in lungs, illustration. Microstructure of respiratory system, science, histology, organ, tract, medical, body, respiration, anatomical, normal, health, medicine, duct, education, scientific, educational, object, alveolus, isolated, air, breath, human, pulmonary, breathing, background, black, 3d