abby and brittany hensel who controls bladder?
In the case of 25-year old Abigail “Abby” Hensel and Brittany Hensel, each twin fully controls her half of the body — one leg and one arm on either side. ... Each twin has her own heart, stomach, spine, lungs, and spinal cord, but share a bladder, large intestine, liver, diaphragm, and reproductive organs.