Bob had a cyst removed from his liver. the doctor told him the liver cells would grow back and repair the area. these liver cells will conduct to grow back.

The liver cells will conduct mitosis to grow back.

easy

explanation:

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.