Which of the following functions is NOT performed by the nasal conchae?

The nasal conchae, or turbinates, are structures within the nasal cavity that play a crucial role in respiratory function. Their primary functions include warming and humidifying incoming air, as well as filtering out particles. When air passes through the nasal cavity, it encounters the conchae, which increase the surface area for air contact, thus promoting efficient warming and humidifying as it moves toward the lungs. Additionally, the conchae help trap and filter larger particles and pathogens through mucus and the ciliated epithelium lining the nasal passages, ensuring that only cleaner air reaches the lower respiratory tract.

Facilitating vocalization is not a primary function of the nasal conchae. Vocalization primarily involves the vocal cords located in the larynx and the resonance of sound chambers in the pharynx and oral cavity. While nasal passages can contribute to the quality of voice through resonance, they do not actively facilitate vocalization like other structures do. Therefore, the function related to vocalization does not align with the responsibilities of the nasal conchae.