Millions of scarlet red blood cells were squeezed out of a
Carboniferous human femur fossil.
The following two photos show countless scarlet remains of red blood
cells. They were recently squeezed out of capillaries as a
Carboniferous human femur fossil was cut and ground into thin section.
These red blood cell remains were squeezed out from capillaries,
because millions of them could not possibly crowd into the same
horizontal plane in a compact bone in the conditions of normal
injuries.
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