The nerve cells,brain,and spinal cord or cent | vedclass

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(A) During embryonic development,the three germ layers are formed: Ectoderm,Mesoderm,and Endoderm.$1$. The Ectoderm gives rise to the nervous system (

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Ectoderm

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(A) During embryonic development,the three germ layers are formed: Ectoderm,Mesoderm,and Endoderm.$1$. The Ectoderm gives rise to the nervous system (including the brain,spinal cord,and nerves),the epidermis of the skin,and associated structures.$2$. The Mesoderm gives rise to muscles,bones,the circulatory system,and the excretory system.$3$. The Endoderm gives rise to the epithelial lining of the digestive tract and respiratory system.Therefore,the central nervous system develops from the Ectoderm.

The nerve cells,brain,and spinal cord or central nervous system develop from which embryonic layer?

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