What Happens to Your Body in a Car Crash? A car crash subjects the human body to severe trauma, often in just fractions of a second. Understanding what happens to your body in a car crash is crucial—as it highlights the roles of inertia, energy transfer, and safety devices in influencing injury outcomes. In this article, we’ll guide you through the stark reality of these traumatic events, examining the types of injuries that can arise and how modern cars are designed to protect us