Openstax reading for the respiratory system

Page 1

Chapter 22 | The Respiratory System

1037

22 | THE RESPIRATORY SYSTEM

Figure 22.1 Mountain Climbers The thin air at high elevations can strain the human respiratory system. (credit: “bortescristian”/flickr.com)

Introduction Chapter Objectives After studying this chapter, you will be able to: • • • • • • • •

List the structures of the respiratory system List the major functions of the respiratory system Outline the forces that allow for air movement into and out of the lungs Outline the process of gas exchange Summarize the process of oxygen and carbon dioxide transport within the respiratory system Create a flow chart illustrating how respiration is controlled Discuss how the respiratory system responds to exercise Describe the development of the respiratory system in the embryo

Hold your breath. Really! See how long you can hold your breath as you continue reading…How long can you do it? Chances are you are feeling uncomfortable already. A typical human cannot survive without breathing for more than 3 minutes, and even if you wanted to hold your breath longer, your autonomic nervous system would take control. This is


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.