Identify the region on the face seen at #3.   

Identify the opening highlighted in red. 

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

When electricity is flowing in a waveform, at one instant in time all electrons are at rest.

Identify the bone highlighted in green.   

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.