Which of the Following is Associated with the Upper Respiratory

Question

Which of the following is associated with the upper respiratory system?
A)humidifying inhaled air
B)warming inhaled air
C)cooling inhaled air
D)drying inhaled air
E)humidifying inhaled air AND warming inhaled air

Accepted Answer

The upper respiratory system is responsible for humidifying and warming inhaled air. This is important in order to protect the delicate tissues of the lower respiratory system from damage caused by cold and dry air. Drying or cooling inhaled air could lead to irritation and inflammation of the respiratory system.