The respiratory defense system is important for all of the following reasons except A)helping filter the air. B)helping warm the air. C)keeping out debris. D)keeping out pathogens. E)providing gas exchange.

Question

Quizplus · Accepted Answer

The respiratory defense system is responsible for protecting the lungs and respiratory tract from harmful agents, such as debris and pathogens. However, its primary function is not gas exchange, which is the role of the respiratory system as a whole. Therefore, the answer is E: providing gas exchange.

The Respiratory Defense System Is Important for All of the Following