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Text File  |  1992-09-02  |  246b  |  9 lines
  1. An umbilical cord is the connection between 
  2. the embryo and the placenta of placental 
  3. mammals. It has one vein and two arteries, 
  4. transporting oxygen and nutrients to the 
  5. developing young, and removing waste 
  6. products.  
  7.  
  8. Subject by: Shaun Jay
  9.