Name the cell indicated by “D” 

Name the hormone produced by the organ at pointer A that con…

The regions labeled 3 and 4  together make up what layer of…

Properly identify the stage labeled  “J”

Identify the structure at the arrow labeled “B”

The substance a pointer A contains what specific hormone?

Give the function of the hormone produced in the area labele…

What structure does the extraembryonic membrane at “A” event…

Name a hormone secreted by structure “B” 

In humans, what is the function of the structure at “A”?