Which is NOT a major function of the respiratory tract? A)warming incoming air before it reaches the lungs B)moistening incoming air C)filtering out dust and water particles D)conducting air with higher O₂ to lungs and conducting air with higher CO₂ back out E)transferring and extracting nutrients

Question

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The transfer and extraction of nutrients is not a major function of the respiratory tract. This function is primarily carried out by the digestive system. The major functions of the respiratory tract are the ones listed in options A), B), C), and D). Option D) refers to the function of exchanging gases (oxygen and carbon dioxide) in the lungs, which is also a major function of the respiratory system.

Which Is NOT a Major Function of the Respiratory Tract