Medical illustration of a wall of cells next to a capillary bed, illustrating the movement, or gas exchange, across specialized respiratory surfaces. Arrows illustrate oxygenated and deoxygenated blood moving through cellular walls. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Catherine Twomey |
Bildgröße: | 2639 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |