Link above was munged, try http://en.wikipedia.org/wiki/Abigail...rittany_Hensel
Important facts:
2 heads
2 spines merging at the coccyx and joined at the thorax by sections of ribs. Surgery was employed to correct scoliosis.
2 completely separate spinal cords
2 arms (originally 3, but rudimentary central arm was surgically removed, leaving central shoulder blade in place)
1 broad ribcage with 2 highly fused sternums and traces of bridging ribs. Surgery was employed to expand the pleural cavities.
2 breasts
2 hearts in a shared circulatory system (nutrition, respiration, medicine taken by either affects both)
4 lungs with the medial lungs moderately fused, not involving Brittany's upper right lobe; three pleural cavities
1 diaphragm with well-coordinated involuntary breathing, slight central defect
2 stomachs
2 gallbladders
1 liver, enlarged and elongated right lobe
Y-shaped small intestine, which experiences a slightly spastic double peristalsis at the juncture
1 large intestine (one colon)
3 kidneys: 2 left, 1 right
1 bladder
1 set of reproductive organs
2 separate half-sacrums, which converge distally
1 slightly broad pelvis
2 legs