The embryo's ________ develops into the digestive and respiratory systems.
A) ectoderm
B) endoderm
C) trophoblast
D) mesoderm

Question

Quizplus · Accepted Answer

The endoderm layer of the embryo develops into the digestive and respiratory systems. The ectoderm develops into the skin and nervous system, while the mesoderm develops into the muscles, skeleton, and circulatory system. The trophoblast is the outer layer of the blastocyst, which forms the placenta during pregnancy.

The Embryo's ________ Develops into the Digestive and Respiratory Systems