I read on wikipedia that the respiratory system derived from the endoderm, but I am not too entirely sure. I couldn't find any information in my textbook and I don't really like taking wikipedia as pure fact. Does anyone know if this is true or not? Any help would be greatly appreciated!
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Yes, the epithelial linings of the respiratory tract develop from the endoderm. Also derived from the endoderm are the epithelial linings of the digestive tract, urinary bladder, and urethra.