! Common sense is not that common." She continued to say they had two separate hearts and lungs. They also had two different stomachs that connect into one digestive system and one reproductive system. They have a kidney each and their own arms but one leg each. Carmen said it "took a long time with physical therapy to learn how to walk." They also said they walk with a "wobble" because Lupita was shorter than Carmen. They also answered questions about what they could feel. Carmen said neither felt it when the other got their piercings done but they could feel where they were attached but other than that it starts losing feeling.