Red Blood Cell Photograph - Red blood cells, SEM by Science Photo Library

Red blood cells, SEM is a photograph by Science Photo Library which was uploaded on March 4th, 2014.

Red blood cells, SEM

Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes). Red blood cells are biconcave, giving them a... more

by Science Photo Library

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Red blood cells, SEM

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Science Photo Library

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Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes). 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 nucleus and other organelles are lost as the cells mature. The cell's interior is packed with haemoglobin, a red iron-containing pigment that has an oxygen-carrying capacity. The main function of red blood cells is to distribute oxygen to body tissues and to carry waste carbon dioxide back to the lungs.

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March 4th, 2014