Re: BBC: Superhuman: Spare Parts
red blood cells: http://upload.wikimedia.org/wikipedia/commons/1/13/Redbloodcells.jpg
a macrophage engulfing e-coli, with a white blood cell in the corner
http://s99.middlebury.edu/BI330A/projects/Howard/images/macrophage.jpg
machrobes: a word that does not exist.