Identify the structure at “B”.

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

Identify the structure indicated by “C”

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

Identify the structures (blue) at “B”.

Identify the extraembryonic membrane at “B”.

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

What fluid fills the space at the pointer?

     Identify the specific cortical  region is indicated by”C”.

Identify the entire structure labeled  “C”