This means that as infants, the initial learning of physical processes that required bodily coordination, such as clapping, crawling, and walking required the cooperation of both children. In fact, several vital organs are doubled up, each twin having a separate heart, stomach, spine and spinal cord.Įach twin controls her half of their body, operating one of the arms and one of the legs. They are highly symmetric, giving the appearance of having just a single body with little variation from normal proportion.
Abigail 'Abby' Loraine Hensel and Brittany 'Britty' Lee Hensel (born March 7, 1990) are dicephalic parapagus twins, meaning that they are conjoined twins of whom each has a separate head, but whose bodies are joined.
