Which of the following provides nutrients to a developing embryo, passes wastes into the mother’s blood for disposal and forms tissuses of both the mother and the embryo?
A.) placenta B.) umbilical cord C.) amniotic or D.) all of the above

Question

Which of the following provides nutrients to a developing embryo, passes wastes into the mother’s blood for disposal and forms tissuses of both the mother and the embryo? 
A.) placenta   B.) umbilical cord  C.) amniotic   or D.) all of the above

anonymous · Answer

please help!!!

anonymous · Answer

Probably have better luck in Biology bud. At a guess, I'd say D, but biology is far from my field.

anonymous · Answer

sorry ment to put it in there lol