Identify the structure labeled “B” 

Identify the structure labeled “B  “

Identify the action of the muscle labeled “A”.

What is the action of muscle “C”?

Name the structure labeled “D” on the wall mount above.

Identify the bone marking at D.

  Identify the structure labeled “D” 

Identify the layer indicated by arrow B

Identify the structure labeled ” E “

Name the fluid found within the structure at Arrow C.