Anatomical Heart by Rob Jones
This is the vasculature of an actual heart (porcine heart, identical to human heart). The blood is replaced by a plastic substance which fills all of the veins, capillaries, etc, then the heart is put into a solution that dissolves all the tissue, leaving this incredible detail of a heart.
![saving the world one bit[e] at a time](http://25.media.tumblr.com/avatar_b479fa6b5e78_30.png){kind=avatar}
![all creatures [great and small]](http://24.media.tumblr.com/avatar_827f13ebf9f5_30.gif){kind=avatar}
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