Multiple Choice
Which of the following statements about the placenta is correct?
A) Oxygenated blood flows from the placenta to the fetus through the umbilical arteries.
B) Maternal and fetal blood mix in the placenta.
C) The placenta secretes hormones necessary for the continuation of pregnancy.
D) The placenta effectively screens nicotine, alcohol and most drugs, thus protecting the fetus.
Correct Answer:

Verified
Correct Answer:
Verified
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