Elements of the respiratory tract that can help prevent infection include

Question

Quizplus · Accepted Answer

Nasal hair can help trap and filter out large particles, such as dust and bacteria. The normal microbiota of the respiratory tract can outcompete potentially harmful organisms and prevent their growth. Coughing helps expel mucus and other substances, along with any trapped pathogens, from the respiratory tract. Therefore, all of these factors help prevent infection in the respiratory tract.

Elements of the Respiratory Tract That Can Help Prevent Infection