Question

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Answer 1

Answer:

The gastrointestinal (GI) system involves three germinal layers: mesoderm, endoderm, ectoderm. Mesoderm gives rise to the connective tissue, including the wall of the gut tube and the smooth muscle. Endoderm is the source of the epithelial lining of the gastrointestinal tract, liver, gallbladder, pancreas

Answer 2

Step-by-step explanation:

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