Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes). These cells are carriers of oxygen and carbon dioxide. Their biconcave surface provides maximum surface area for the exchange of gases. Magnification: x4400 when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 4847 px × 3635 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |