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Keywords from Image Description:
Alveoli diagram az. en diagram of the alveoli both in cross section and externally az Alveolun qurlu vahidi alveola alveol kisciyi bronxiola aciyr arteriya venas en SmoothO CommonsHelper Pdefer en derivative work MrArifnajafov Cczero Images of human anatomy by User MrArifnajafov Anatomy Pulmonary alveolus