What is the purpose of wearing a helmet while riding a motorcycle?

Wearing a helmet while riding a motorcycle is crucial for protecting the head in the event of an accident. Helmets are designed to absorb the impact energy during a crash, significantly reducing the risk of severe head injuries, such as concussions or trauma to the skull. They serve as a vital safety measure, as the head is one of the most vulnerable parts of the body while riding. In many regions, helmet use is not only a recommended safety practice but is also required by law to ensure the protection of motorcyclists.

The other options do not address the primary purpose of helmets. While some riders may feel that helmets can enhance their appearance, this is not the main reason for wearing one. Similarly, helmets may provide some comfort or help to reduce wind resistance, but these aspects are secondary to their critical function of head safety. Thus, the essential purpose of wearing a helmet is to safeguard the rider's head in case of an accident.