Which structure of the respiratory system moistens and filters inhaled air? pharynx bronchioles nasal cavity trachea

The correct answer is nasal cavity.

The structure of the respiratory system that moistens and filters the inhaled air is the nasal cavity.

The presence of mucous on the inner side of the nasal cavity that moistens the air that is inhaled from the atmosphere.

This mucous membrane prevents the dirt and pollution from entering into the lungs that is use for respiration.

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