Which bones are included in the facial structure?

The correct choice highlights the bones that are specifically part of the facial structure, which includes the orbits, nasal bones, maxilla, mandible, and zygomatic bones. Each of these bones plays a crucial role in forming the shape of the face and housing important features such as the eyes, mouth, and nasal cavity.

The orbits are the cavities that hold the eyes, providing protection and support. The nasal bones structure the bridge of the nose and contribute to the overall appearance and function of the respiratory system. The maxilla is the upper jawbone and is significant for holding the upper teeth and forming the roof of the mouth. The mandible, or lower jaw, is essential for chewing and speaking, while the zygomatic bones, commonly known as the cheekbones, give the face its structure and appearance.

The other options include bones that do not pertain to the facial structure: the first choice consists of bones in the arm; the second choice lists crucial bones of the skull and vertebrae; and the last choice includes bones that form parts of the shoulder and pelvic girdles. All these alternatives focus on bones associated with the limbs, body structure, or skull but do not represent the facial bones necessary for the facial