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Red Blood Cell, Sem
Photograph - Photograph
Red blood cell. Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte). Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic, enabling them to pass through narrow capillary vessels. The main function of red blood cells is to distribute oxygen to body tissues and to carry waste carbon dioxide back to the lungs. magnification x10000 when printed at 10 centimetres wide.
May 10th, 2013
Viewed 254 Times - Last Visitor from Guangzhou - China on 01/14/2015 at 10:42 PM
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