What is this respiratory test called? (Be specific).

What space is the black arrow pointing to?

What is the black arrow pointing at?  

What blood type is shown?

What structure is the black arrow pointing at?  

What is the name of the structure pointed at by the back arr…

What valve is pointed at by the black arrow?

Name the structure indicated by the blue arrow.

What structure is pointed at by the blue arrow?

What is the black arrow pointing at?