Identify the opening highlighted in red. 

The magnetic field is _____ to the motion of a particle.

This uses the interacting magnetic fields produced and changes electric potential and current into higher or lower intensity.

Identify the structure seen at the X.   

This refers to a coil of wire which can contain a current that is in a loop.

Identify the feature highlighted in red.   

Identify the bone seen at #3.  

Identify the feature of the mandible indicated with the red circle.   

Identify the suture. 

Identify the structure seen at the X.