Red blood cells are disc-shaped cells with no nucleus. They are very small but their flattened shape gives a relatively large surface area which allows rapid diffusion of oxygen.

Notably, in 1903, at Klimt's request, Zuckerkandl delivered an anatomy lecture for artists ... To examine the impact of these red, blood cell-like forms, the research team created a modified ...

Factors affecting oxygen release from red cells were described at Oxford's Department of Physiology, Anatomy, and Genetics but the testing method was too laborious for routine use in blood ...