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tamaranim1 [39]
3 years ago
5

The _____ is a membrane within the uterus that permits the exchange of nutrients and waste products between the mother and her d

eveloping child.​
Biology
1 answer:
Irina-Kira [14]3 years ago
5 0
Placenta

It also does not allow the maternal and fetal bloodstreams to mix
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