Biology, 03.08.2019 06:00, bettyrose69
The main function of the placenta is to a) direct the blood flow to the pelvis. b) allow the mixing of maternal and fetal blood. c) surround the embryo and protect it from shock. d) allow the fetus to receive nutrients and oxygen.
Answers: 1
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The main function of the placenta is to a) direct the blood flow to the pelvis. b) allow the mixing...
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