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Title
Anatomy of alveoli in lungs #171776762
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