The development of the human embryo in the gastrulation period inside the mother’s body is a very complex process. During the development in the early stages of the embryo different structures and organs are formed. These organs develop throughout the gastrulation process and thus the child is fully developed at the end of the period. Bones are also formed at the same time. These bones fuse to form different structures. The face of humans is also formed of many bones. These bones are present in fragments in the early stages...