What part of the respiratory passageway primarily functions to warm, humidify, and filter inhaled air? what part of the respiratory passageway primarily functions to warm, humidify, and filter inhaled air? nasal cavity larynx nasopharynx trachea?

The answer is the nasal cavity. It is a large air filled space above and behind the nose in the middle of the face, it is lined with hairs and mucus membrane. The function of the nasal cavity is to warm, moisturize, and filter air entering the body before it reaches the lungs.