Are seat belts effective in preventing injuries?

Are seat belts effective in preventing injuries?
A)No.
B)Yes, but only when driving at low speed.
C)Yes.Correct
The seat belt is the most important and effective passive safety system in a vehicle. Its function is to keep occupants in their seat in case of a collision, preventing them from hitting the interior of the car or being thrown out. Its use drastically reduces the likelihood of suffering serious or fatal injuries, being effective at any speed.