Identify the structure indicated by arrow B  

Give the immune property of this organ

Identify the vessel at Arrow D.  

Name a specific cell found in the circled with the arrow on the above histology slide.

  Identify the region indicated by arrow B

Identify the structures at the arrows for this histological specimen.

Identify the type of cell at the pointer.

Identify the vessel at Arrow B.  

Which heart valve is auscultated (heard) at the arrow C?

Identify the structure indicated by arrow