Properly identify the area labeled  “D”

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

What is the function of the structure at “C”?

Identify the extraembryonic membrane at “B”.

Identify the structures (blue) at “B”.

The structure at the arrow labeled “D” encloses a region called the _______________.

Identify the structure indicated by “C”

Name the hormone produced by the organ at pointer A that controls metabolism

Identify the structure at “B”.

The structure at the arrow labeled “A” is homologous to what male structure?