In the embryonic stage, ____.
A) the blastocyst implants itself into the uterine wall
B) the organism reaches viability
C) lungs begin to function
D) major organs are developing

Question

Quizplus · Accepted Answer

During the embryonic stage, major organs are developing. The blastocyst typically implants itself into the uterine wall during the early stages of pregnancy, before the embryonic stage begins. Viability, or the ability of the organism to survive outside of the womb, does not occur until much later in gestation. The lungs do not begin to function until the fetal stage.

In the Embryonic Stage, ____