Mucus-Producing Glands of the Respiratory Tract Arise from This Layer

Question

Mucus-producing glands of the respiratory tract arise from this layer.
A) endoderm
B) ectoderm
C) mesoderm-somites
D) mesoderm-lateral plate
E) intermediate mesoderm

Accepted Answer

The respiratory tract and its associated structures, such as the mucus-producing glands, develop from the endoderm. The endoderm gives rise to the innermost lining of the respiratory tract, including the bronchi and alveoli.