Do the three stages of a collision include the vehicle crash the human crash and the external crash?

Yes, the three stages of a collision are typically described as the vehicle crash, the human crash, and the external crash. The vehicle crash refers to the impact between vehicles or objects. The human crash involves the impact experienced by occupants inside the vehicle, while the external crash pertains to the effects on the surrounding environment, including other vehicles, pedestrians, and infrastructure. Each stage highlights different aspects of the collision's dynamics and consequences.