A thin, tough, membranous sac that encloses the embryo or fetus is referred to as a(n) ____

a. vernix c. placenta
b. lanugo d. amnion

D

Psychology

You might also like to view...

There is no scientific evidence that vaccines can cause autism

Indicate whether this statement is true or false.

Psychology

In the recommended process for making wise decisions, the fifth and final stage consists of

a. searching for alternatives b. accepting the challenge c. assessing your actions and decision d. following through with your decision

Psychology