Identify the bone highlighted in green. 

Identify the highlighted portion of the mandible. 

Identify the region on the face seen at #8.   

Identify the feature on the face seen at #12.   

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.