Brock Biology of Microbiology - Modern MasteringBiology
Brock Biology of Microbiology - Modern MasteringBiology
15th Edition
ISBN: 9780134602325
Author: MADIGAN
Publisher: PEARSON
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Chapter 24.3, Problem 3MQ
Summary Introduction

The microorganisms enter the respiratory tract from air during breathing. The respiratory tract is divided into two parts: upper respiratory tract (URT) and lower respiratory tract (LRT). URT consists of oral cavity, oropharynx, nasopharynx, throat/tonsils and larynx. LRT consists of trachea, bronchi, and lungs.

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