A. The artist will work many hours to make the statue. b. The artist uses a chisel to make the statue
c. The statue is made from a natural material.
d. The statue is the same substance as the slab.

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.