The germ layer that gives rise to muscles and most internal organs is which?

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Multiple Choice

The germ layer that gives rise to muscles and most internal organs is which?

Explanation:
During gastrulation, three germ layers form: the ectoderm, the mesoderm, and the endoderm. The mesoderm is the layer that gives rise to muscle tissue and many internal organs, including bones, the circulatory system, kidneys, and reproductive organs. In contrast, the ectoderm forms the skin and nervous system, while the endoderm lines the gut and forms many internal organs like the liver and pancreas. The coelom is a body cavity that develops within the mesoderm, not a germ layer itself. So, muscles and most internal organs originate from the mesoderm.

During gastrulation, three germ layers form: the ectoderm, the mesoderm, and the endoderm. The mesoderm is the layer that gives rise to muscle tissue and many internal organs, including bones, the circulatory system, kidneys, and reproductive organs. In contrast, the ectoderm forms the skin and nervous system, while the endoderm lines the gut and forms many internal organs like the liver and pancreas. The coelom is a body cavity that develops within the mesoderm, not a germ layer itself. So, muscles and most internal organs originate from the mesoderm.

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