B.
Let it flow, let it flow, let it flow...
Behind the scenes
It's International Blood Donor Day... (in my experience, the nurses look a lot friendlier than this ...)
![Jason Greig Blood is Thicker 2005. Monoprint. Purchased, 2005. Reproduced with permission](/media/cache/e5/3f/e53fce75dda19ee6e1be8b3b1ca5c554.jpg)
Jason Greig Blood is Thicker 2005. Monoprint. Purchased, 2005. Reproduced with permission