Which sentence BEST summarizes paragraph 4 of “The View of a Son of Liberty”?

protist eukaryotes that are not plants, animals, or fungi ("misfits")

your answer is "the 1950's"

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.