After gastrulation, the endodermal cells contribute predominantly to the developing
A) brain, nervous system, and nails.
B) skeletal system and muscles.
C) lining of the digestive and respiratory tracts.
D) sweat glands and milk secretory glands.
E) None of the above

Question

Quizplus · Accepted Answer

Endodermal cells contribute to the lining of the digestive and respiratory tracts during development. The brain and nervous system are derived from ectoderm, while the skeletal system and muscles are derived from mesoderm. Sweat glands and milk secretory glands are derived from ectoderm and mesoderm, respectively.

After Gastrulation, the Endodermal Cells Contribute Predominantly to the Developing