Multiple Choice
The chorionic villi
A) form the umbilical cord.
B) form the umbilical vein.
C) form the umbilical arteries.
D) increase the surface area available for exchange between the placenta and the maternal blood.
E) form a portion of the placenta.
Correct Answer:

Verified
Correct Answer:
Verified
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Q161: Figure 1.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4854/.jpg" alt="Figure 1.1