Saturday
July 4, 2015

Homework Help: psychology

Posted by tzeni on Wednesday, January 7, 2009 at 2:18pm.

Why is the placenta unique as to its origin?
A it's the first fetal structure to develop
B it's allows the mixing of oxygen and nutrients between mother and child
C its develops from material supplied both by the mother and the fetus
D it provides the fluid that surrounds and protects the embryo

i believe the correct answer is D

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members