The discovery of the entombed cat at the end of the story is an example of .

Situational Irony

Explanation:

The narrator does not expect to find another black cat, especially what happened to the first one.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.