The functions of the paranasal sinuses include lightening the bones of the skull and serving as a resonant chamber for sound.

Question

Quizplus · Accepted Answer

The paranasal sinuses are air-filled spaces within the bones of the skull. They do serve as a resonant chamber for sound and also help to regulate pressure in the nasal cavity, but their main function is to lighten the bones of the skull and promote efficient airflow in the respiratory system.

The Functions of the Paranasal Sinuses Include Lightening the Bones