Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes). These cells are carriers of oxygen and carbon dioxide.

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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.

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Size: 4847px × 3635px
Photo credit: © POWER AND SYRED/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biconcave, biological, biology, blood, carrying, cell, cells, colored, coloured, corpuscle, corpuscles, cytology, erythrocyte, erythrocytes, exchange, false-coloured, gas, haematid, haematids, haematology, haemoglobin, healthy, hematology, hemoglobin, normal, oxygen, rbc, rbcs, red, respiration, sem