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Red blood cells. Coloured scanning electron micrograph of red blood cells in 'rouleau' formation. They often stack together in this way because of their shape. Red blood cells are the most abundant type of cell in human blood, accounting for 40% of blood volume. Each cubic millimetre of blood contains around five million of these flexible disc-shaped cells. The red colour comes from the protein haemoglobin, which picks up oxygen in the lungs and distributes it around the body. Because the cells have no nucleus and are subjected to constant physical pounding, they last only four months, before being destroyed & broken down. Magnification: x4850 at 6x7cm size.
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Creative#:
TOP10218306
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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N/A
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No
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