Multiple Choice
Which statement is NOT true of the placenta and umbilical blood vessels?
A) Two umbilical arteries take blood to the fetus.
B) Maternal blood does not mix with fetal blood in the placenta.
C) The umbilical vein contains blood with a high level of oxygen.
D) In the placenta, exchanges take place by diffusion and active transport.
Correct Answer:
Verified
Correct Answer:
Verified
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