The placenta:
A. conducts the mother's blood directly to the embryo.
B. is responsible for providing the nutritional needs of the embryo.
C. nourishes the egg while it is yet in the ovary.
D. is discharged from the body and rebuilt approximately every twenty-eight days.
The placenta: is responsible for providing the nutritional needs of the embryo.
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Asked 5/24/2013 10:58:58 PM
Updated 3/2/2017 7:46:42 PM
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