The placenta is required for all of the following functions ...

[craiczarry]

The placenta is required for all of the following functions except:
 
 A. delivery of oxygen from the mother to the fetus.
  B. delivery of nutrients from the mother to the fetus.
  C. delivery of nutrients from the fetus to the mother
  D. delivery of waste from the fetus to the mother.

Question 2

Alcohol or drug abuse can have devastating effects during pregnancy. The damage is more severe if the alcohol or drugs are used
 
 A. prior to pregnancy.
  B. during the embryonic period.
  C. during the fetal period.
  D. just prior to birth.

[carlsona147]

Answer to Question 1

C

Answer to Question 2

B

[craiczarry]

Gracias!

[covalentbond]

TYSM