The placenta ____.
A) forms from endometrial and extraembryonic tissues
B) will cover about one-half of the inner uterine surface at full term
C) intermingles fetal blood with maternal blood
D) secretes only estrogen to maintain the uterine lining during the second and third trimesters
E) secretes only progesterone to maintain the uterine lining during the second and third trimesters

Question

The placenta ____.  
A) forms from endometrial and extraembryonic tissues
B) will cover about one-half of the inner uterine surface at full term
C) intermingles fetal blood with maternal blood
D) secretes only estrogen to maintain the uterine lining during the second and third trimesters
E) secretes only progesterone to maintain the uterine lining during the second and third trimesters

Quizplus · Accepted Answer

The placenta forms from both endometrial and extraembryonic tissues.

The Placenta ____