mothers uterus tissue and chorion tissue of the embryo together form the structure called
a, placenta. b, amnion
c, umbilical cord. d, allantois
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Umbilical cord is the right answer.
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wajahat12330:
nice its better
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Answer: a (placenta)
A mother uterus tissue and chorionic tissue of the embryo together form the structure called placenta.
The chorion is derived from placenta and it is made of fetal blood vessels and you will see this in a finger like structure and the mother blood provides oxygen to growing fetus and the urea and CO2 will automatically be removed from the fetus.
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