How do small molecules move into and out of most animal cells? A. by passing through the cell membrane B. by being absorbed into the mitochondria C. by being absorbed into the nucleus D. by passing through the cell wall

i think the answer would d

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.

the missing space is phylum

ever get the answers? im stuck on this as well