Illustration of alveoli,the small air sacs at the end of the respiratory tree (in the lungs),in partial cross section | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schroeder, Monica |
Taille de l’image : | 1638 px × 1267 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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