Identify the area at “B”.  

Identify the process that is happening in the area circled above

Identify the structure indicated by “A”   

 Identify the specific tubes at letter D.

Identify the process that is happening at letter B (first model image)

Name the hormone produced by the cells at pointer B.

Identify the structure at “A”.

Identify the function of the structure indicated by the arrow.

Identify the embryonic germ layer (yellow) at “C”.

Identify the structure indicated by “F”