medical treatment — care from a doctor or hospital to help you get better

crash test dummy — a model of a human body used in car crash tests

scale down — to make something smaller

wholesale — complete; affecting everything

percentile — a way to compare size or level (the middle is average)

accommodate — to fit or work well for someone

improper — not correct; not the right way

injure — to hurt someone’s body

rear-end collision — a crash when one car hits the back of another car

whiplash — a neck injury from a sudden movement (often in a car crash)

amplify — to make something stronger or worse

mandated — officially required by law or rules

fetal death — when an unborn baby dies

belated — late; happening later than it should

when it comes to (car design) — about; in the area of (car design)