The endoderm gives rise to various important structures in the human body, including:
Gastrointestinal tract: The lining of the stomach, small intestine, and large intestine. Respiratory system: The epithelial lining of the trachea, bronchi, and lungs. Glands: The liver, pancreas, and thyroid gland are all endodermal derivatives. Urinary system: The epithelial lining of the bladder and urethra.
