Final answer:
The upper respiratory system includes the nose, nasal cavity, pharynx, and paranasal sinuses. The lips are not a component of the upper respiratory system. Therefore, the correct option is D.
Step-by-step explanation:
The components of the upper respiratory system include the nose, nasal cavity, pharynx, and paranasal sinuses.
The lips are not part of the upper respiratory system.The nose and nasal cavity filter, warm, and moisten the air we inhale, while the pharynx connects the nasal cavity to the lungs.The paranasal sinuses are a set of small cavities in the skull that communicate with the nasal cavity and help to lighten the skull.