Which options identify what the arrows in the diagram
represent? Check all that apply.
atoms
elements
energy
gas
particles
Hurry

i think its y= -4x-14

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.

it is called the mitotic spindle