Q. …A… is made up of trophoblastic mesoderm inside and somatopleuric extraembryonic mesoderm outside. The space between embryo and the amnion is called …B… which is filled with clear watery fluid secreted by both embryo and membrane. It protects the embryo from shock and desiccation. A and B in above sentence are

Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.