Which of the following major events of prenatal development happens first?
A) The eyes are fully open.
B) The body is covered with lanugo.
C) Bone calcification begins.
D) The central nervous system begins to form.
E) Meconium accumulates in the intestines.

Question

Quizplus · Accepted Answer

The central nervous system begins to form early in prenatal development, specifically during the embryonic period, which is within the first few weeks after conception. This precedes the other listed events, such as bone calcification, the development of lanugo, the opening of the eyes, and the accumulation of meconium in the intestines.

Which of the Following Major Events of Prenatal Development Happens