Red blood cell, computer artwork. Close-up of a red blood cell (erythrocyte), showing its characteristic biconcave shape. Red blood cells are responsi

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Red blood cell, computer artwork. Close-up of a red blood cell (erythrocyte), showing its characteristic biconcave shape. Red blood cells are responsible for supplying tissues with oxygen. They circulate in the bloodstream, transporting oxygen from the lungs to the body, and returning carbon dioxide to the lungs for exhalation. Their red colour comes from an iron-rich, oxygen-binding protein called haemoglobin. Unlike most cells, they have no nucleus. This and the bi-concave shape maximises their oxygen-carrying capacity.

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Size: 5000px × 3750px
Photo credit: © ALFRED PASIEKA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, anatomy, artwork, bi-concave, biconcave, biological, biology, blood, cell, erythrocyte, haematology, healthy, hematology, human, illustration, normal, oxygen, person, rbc, red, single, transfer, transporting