15. Identify a specific hormone secreted by letter A.

16. Identify the specific structure at letter E. 

        15. Identify a specific hormone that directly affect…

20. What is specifically contained in region F?

19. Identify the specific number of chromosomes in letter B.

Identify the structure indicated by “A”.  (Be specific)

  18. Identify the specific process occurring in letter B.

Identify the structure indicated by “C”.  (Be specific)

20. What is specifically contained in letter D?

16. Identify the specific vessels at letter D.