Dr. Proctor tells Uma that her developing embryo is showing distortions in the development of its circulatory system. As a knowledgeable student of human development, Uma should realize that the problem is within cells of the layer.

mesoderm

Explanation:

mesoderm is a germ layer that shows up during gestation and can be seen between the ectoderm.

This is what Uma should know about her case.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.