Many blood donors know little about the fate of their blood once it leaves their bodies. As this video spotted by Mashable shows, each donation goes through a multi-step process before it’s ready for a new host.

The inside look at the blood donation industry comes from Sanquin, a nonprofit that’s been supplying blood to Dutch communities since 1998. If you have more in-depth questions about the journey your blood takes post-donation (like why it's spun around in a centrifuge), you can find the answers here.

[h/t Mashable]

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