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 cells in the embryonic stage and it gives rise to the digestive system, liver, pancreas, and respiratory system. The ectoderm forms the skin and nervous system while the mesoderm forms the muscles, bones, and circulatory system. The placenta is an organ that develops from both maternal and fetal tissues and helps provide nutrients and support to the developing embryo/fetus.

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