After gastrulation, the endodermal cells contribute to the developing
A) hair, nails, and sweat glands.
B) blood vessels.
C) lining of the digestive and respiratory tracts.
D) heart.
E) skin.

Question

Quizplus · Accepted Answer

Endodermal cells contribute to the lining of the digestive and respiratory tracts through the process of gastrulation. Hair, nails, sweat glands, blood vessels, heart, and skin are developed from different germ layers.

After Gastrulation, the Endodermal Cells Contribute to the Developing