Which Statement Is NOT True of the Placenta and Umbilical

question 147

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.

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