Identify the specific substance contained in letter E.

 Identify the specific tubes at letter D.

Identify the structure at the arrow labeled “C”

Identify the structure indicated by arrow “B”.

Identify the specific connective tissue structure indicated by the arrow.

Identify the area at “A”.  Be specific.

      What is the specific function of the cell clusters at letter C?

What is specifically contained in letter D?

Does the structure at “A” contain fetal blood or maternal blood?

Identify the REGION indicated by box A that contains blood supply