The placenta
A) transforms the breasts from fatty sacs to glands that secrete milk.
B) is where blood cells form before the fetus has bone marrow.
C) nourishes the fetus and secretes hormones that maintain the pregnancy.
D) is a membrane surrounding the embryo that gives rise to the blood vessels in the umbilical cord.
E) is the membrane that contains the fetus.

Question

Quizplus · Accepted Answer

The placenta serves as the site where the fetus receives oxygen and nutrients from the mother's bloodstream and where waste products are removed. It also secretes hormones such as progesterone and estrogen to maintain the pregnancy.

The Placenta