During human gestation, rudiments of all organs develop
A) in the first trimester.
B) in the second trimester.
C) in the third trimester.
D) while the embryo is in the oviduct.
E) during the blastocyst stage.

Question

Quizplus · Accepted Answer

During the first trimester of human gestation, the rudiments of all organs develop, including major structures such as limbs, brain, heart, and organs of the digestive system. By the end of the first trimester (around 12 weeks), all of the major organ systems are present, although they continue to mature and specialize throughout the remainder of the pregnancy.

During Human Gestation, Rudiments of All Organs Develop