The _____ is a layer of the embryo,which will become the nervous system and brain,sensory receptors,and skin parts.
A)mesoderm
B)ectoderm
C)trophoblast
D)endoderm

Question

Quizplus · Accepted Answer

The ectoderm is one of the three primary germ layers of the developing embryo and gives rise to the nervous system and brain, sensory receptors, and certain parts of the skin. The mesoderm gives rise to the musculoskeletal system and the circulatory system, while the endoderm gives rise to the digestive and respiratory systems. The trophoblast is the outermost layer of the early embryo that helps it implant in the uterine wall and eventually forms the placenta.

The _____ Is a Layer of the Embryo,which Will Become