An illustration of alveoli found within the lungs. A single alveolus is a hollow cavity that acts as the basic unit of respiration and is the site of gas exchange with nearby blood vessels. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Oto, Evan |
Taille de l’image : | 3300 px × 2550 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |