Why is aluminum referred to as "con-
gealed electricity"?

Aluminum is referred as “congealed electricity” because of the large amount of power needed to smelt alumina.

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.