The indicated indentation is called the __________.

The indicated structure is known as the __________.  

The outer layer covering this organ is known as the __________.

The indicated indentation is called the __________.

The outer layer covering this organ is known as the __________.

The amount of air remaining in the lungs after forceful and complete expiration is known as the __________ volume.

This region is specifically known as the __________.

The tooth indicated here is called a(n) __________.

Which of the four basic tunic layers is this?

The sphincter indicated here is known as the __________.