Identify the developmental stage of embryogenesis at the poi…

Name the cells indicated by “A” 

Identify the process that is happening at the blue arrow

Identify the REGION of the organ indicated by “A”.

List one body structure that the embryonic germ layer at “B”…

 Identify the specific structure at letter E. 

Identify the specific layer at letter E.

Identify this structure labeled “A” 

  Name structure labeled “A”.

Identify the structures indicated by the arrows.