Chapter 23, Problem 7RQ

Summary Introduction

To review:

The methodology adopted by lungs to avoid microbial colonization.

Introduction:

The respiratory tract is comprised of the nose, oral cavity, pharynx, larynx, trachea, bronchi, and the alveolar air sacs that make up the lobes of the lungs. The process of inhalation involves the entry of a large number of microorganisms. There are several barriers in the respiratory system that ensure no microbes could colonize the lungs.