Examlex
Which of the following evolve?
Adoptive Parents
Individuals who become parents through the legal process of adopting a child.
Mesoderm
The central layer of the embryo from which the bones and muscles develop.
Embryo
An early stage of development in multicellular organisms, in humans, it refers to the period from implantation until about the eighth week of pregnancy.
Umbilical Cord
A tube that connects the fetus to the placenta.
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