blood filter (gross)

For those who have a weak stomach, don’t read / look at this. I donated plasma, which I often do Saturdays, but I noticed this time at the end of the donation a little plastic filter-looking thing.  I asked the nurse (or technician), “What the heck is that?”  “It’s a blood filter,” she said.  It apparently collects dead blood cells!

First, the blood is taken out through the arm.  It then gets spun in a centrifuge to remove plasma.  After, it gets put back into the body through the same tube.  While adding the blood (minus a lot of the plasma) back in, it filters it.

So it’s basically cleaner when they put it back in than when they remove it.  Funny, I never noticed this before.  Cool.  But gross.

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