In the embryonic stage, what is the term for the inner layer that produces the digestive system, liver, pancreas, and respiratory system?

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The endoderm is the innermost layer of the embryonic stage that produces the digestive system, liver, pancreas, and respiratory system. The ectoderm produces the nervous system and skin, the mesoderm produces the muscles, bones, and circulatory system, and the placenta is an organ that forms during pregnancy to provide nutrients and oxygen to the developing fetus.

In the Embryonic Stage, What Is the Term for the Inner