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The human skeleton offers great insight into a person’s life. It will show the signs of disease, malnutrition, and injuries, as well as aging and sex. Experts can identify a skeleton’s sex by looking at two key areas: the skull and the pelvis.
The most important part of a seat belt is the spool’s locking mechanism–a device that makes the belt hold tight in the unfortunate event of a crash. The locking mechanism is activated either by the car’s movement or by the belt’s movement.