The period of gestation when the basic components of each of the major organ systems appear is the ________ trimester(s).
A) first
B) second
C) third
D) first and second
E) second and third

Question

Quizplus · Accepted Answer

The basic components of each of the major organ systems appear during the first trimester of gestation. This is a critical period for embryonic and early fetal development, where the foundations for all major organ systems are established.

The Period of Gestation When the Basic Components of Each