All of the following substances pass through the placenta EXCEPT ...

[yoooooman]

All of the following substances pass through the placenta EXCEPT for
 
  A) nutrients.
  B) oxygen.
  C) waste products.
  D) maternal blood.

Question 2

In countries of the developing world _________
 
  A) infant and maternal mortality rates compare favorably with those in the United States and Western Europe.
  B) Infant and maternal mortality rates have risen sharply in the last 20 years.
  C) Women tend to have more control over their reproductive choices than in developed nations.
  D) More than 85 of women give birth with no medical help.

[CourtneyCNorton]

Answer to Question 1

D

Answer to Question 2

D