The main respiratory functions of the nasal cavity are to filter, warm, and moisten incoming air.

Name: The main respiratory functions of the nasal cavity are to filter, warm, and moisten incoming air.
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Quizplus · Accepted Answer

This is correct according to respiratory physiology. The nasal cavity contains cilia and mucus-producing cells that help filter out particulate matter and microorganisms. It also has a rich blood supply that helps warm and humidify inspired air before it reaches the lungs.

The Main Respiratory Functions of the Nasal Cavity Are to Filter