What will happen if respiratory track is not moist?

If the respiratory tract is not moist, it can lead to irritation and inflammation of the airways, making it more difficult to breathe. Dry air can impair the mucociliary clearance mechanism, reducing the effectiveness of the body's natural defense against pathogens and irritants. This may increase the risk of infections, exacerbate Asthma or Allergies, and cause discomfort such as coughing or a sore throat. Overall, maintaining moisture in the respiratory tract is essential for optimal respiratory health.