Computer illustration showing human lung anatomy and a light micrograph of a section through healthy lung tissue showing alveoli (air sacs, white). The alveoli are the site of gaseous exchange, where oxygen enters the blood and carbon dioxide is removed. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |