Identify the organelle labeled C.

 Describe the function of the part marked E.

 Identify the labeled A.

  Identify the body motion indicated by the arrow.

What organelle contains digestive enzymes used to recycle old cell parts or break down pathogens?

 Identify the layer indicated by the number 4.

 Which pelvis (A or B) is female?

 Identify the body plane labeled B.

Identify the muscle labeled N.  

 Identify the sensory structure labeled B.