Tim Peake: how to draw blood in space

ESA astronaut Tim Peake shows how to draw blood for research on the International Space Station. Researchers often request samples before, during and after a spaceflight to examine differences. The tubes of blood are put in a refrigerated centrifuge and then stored in the International Space Station's –80°C freezer called MELFI for later analysis on Earth. Read more about the experiments Tim Peake took part in: http://www.esa.int/Our_Activities/Human_Spaceflight/Principia/Body_and_mind

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