Chapter 10.3, Problem 2LO

Summary Introduction

To identify:

The structures of the lower respiratory system and provide their function.

Introduction:

Respiratory system is a biological system that ensures the transport of gases by the process of inspiration and expiration, in and out the body with the help of lungs. The respiratory tract in humans is sub divide into the upper and the lower respiratory tract.

Pictorial representation:

Fig.1 represents the structure of lower human respiratory tract.

Fig.1: Lower respiratory tract