PAUL RAPSON / SCIENCE PHOTO LIBRARY PAUL RAPSON / SCIENCE PHOTO LIBRARY
Blood analysis. Technician pipetting centrifuged blood samples into Eppendorf tubes for analysis. The blood has been separated in a centrifuge, a machine that spins its contents around a central axis at very high speeds, separating particles according to their densities. The blood has been separated into red blood cells, white blood cells and plasma. Blood may be tested for signs of illness or infection, or for blood type.
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