During the period of the embryo, the __________ becomes the nervous system, the __________ becomes the circulatory system, and the __________ becomes the digestive system.

Question

Quizplus · Accepted Answer

During embryonic development, the ectoderm becomes the nervous system, including the brain and spinal cord. The mesoderm gives rise to the circulatory system, including the heart and blood vessels. The endoderm becomes the digestive system, including the stomach, intestines, and associated organs. Therefore, option A, ectoderm becoming the nervous system, mesoderm becoming the circulatory system, and endoderm becoming the digestive system is the correct choice.

During the Period of the Embryo, the __________ Becomes the Nervous