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“Respiratory System” is a part of the college-level Principles of Biology course series textbooks. It is a tutorial written in questions and answers format to describe the anatomy and physiology of the respiratory system, including the gas exchange, partial pressure, lungs, breathing mechanisms, neural control of respiration, counter-current exchange system, and evolution of the respiratory system.
It is a study guide with in-depth explanations. Each section is a modular unit that is self-contained for easy reading. The principles and concepts are introduced systematically so students can learn and retain the materials intuitively.
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Seitenzahl: 40
Veröffentlichungsjahr: 2015
Respiratory System
A Tutorial Study Guide
Nicoladie Tam, Ph. D.
Copyright © 2015 by Nicoladie Tam, Ph.D.
ISBN 978-1-301-80538-9
All rights reserved, no part of this publication may be reproduced in any form, stored in a retrieval system, or transmitted in any form by any means without prior written permission of the author, except in the case of brief quotations in critical review articles.
Authored by: Nicoladie Tam, Ph.D.
Published by: Nicoladie Tam, Ph.D.
First Published: August 16, 2013
Revision Date: June 12, 2015
eBook ISBN: 9781301805389
Book statistics: 8,500 words
Keywords: respiratory system, partial pressure, gas exchange, respiration, ventilation, lung, chemoregulation, neural control, counter-current exchange, hemoglobin, oxygen carrier, oxygen dissociation curve, biology, study guide, tutorial
Produced in the United States of America
The printed version of this eBook is also available in PDF format in 38 pages.
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Preface
“Respiratory System” is a part of the college-level Principles of Biology course series textbooks. It is a tutorial written in questions and answers format to describe the anatomy and physiology of the respiratory system, including the gas exchange, partial pressure, lungs, breathing mechanisms, neural control of respiration, counter-current exchange system, and evolution of the respiratory system.
It is a study guide with in-depth explanations. Each section is a modular unit that is self-contained for easy reading. The principles and concepts are introduced systematically so students can learn and retain the materials intuitively.
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Table of Contents
Cover Page
Preface
Respiratory System
Function of Respiratory System
Principles of Gas Diffusion
Principle of Partial Pressure of Gases
Principles of Gas Exchange
Principles of External Respiration and Internal Respiration
Regulation of Respiration
Mechanisms of Ventilation in Lungs
Chemo-Regulation of Respiration
Neural Control of Respiration
Principle of Counter-Current Exchange System
Principles of Oxygen Carrier: Hemoglobin
Hemoglobin Oxygen Dissociation Curve
About the Author
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Objectives
Understand the functions of the respiratory system
Understand the regulation of the respiratory system
Understand how gas exchange occurs
Understand the principle of partial pressure in diffusion
Understand the mechanisms of external and internal respiration
Understand the difference in mechanism for gas exchange in fish and terrestrial animals
Concepts to Learn
Principles of gas exchange
Partial pressure of gas
Diffusion of gases
Internal vs. external respiration
Mechanisms of ventilation in lungs
Gas exchange in gills
Counter-current exchange system
Hemoglobin and oxygen carrier system
Hemoglobin oxygen dissociation curve
Chemoreceptors for respiration regulation
Neural regulation of respiration
Anatomical structure of respiratory tract
Principles of airflow in airways
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Objectives
Understand the function of gas exchange in respiration
Summary
The function of respiration is to provide gas exchange for an organism. Since most biological organisms require aerobic metabolism for basic survival function, these metabolic chemical reactions either produce or consume gases. (Most animals consume O2 and produce CO2 gases while most plants consume CO2 and produce CO2 during photosynthesis.) As a result, gas exchange is needed between the external and internal environments. The respiratory system provides a means for the organism to exchange gases efficiently and delivers the needed gases via the circulatory system.
Q&A
What are the functions of the respiratory system?
It is used for gas exchange.
Note that plants also consume O2 and produce CO2 in its metabolism, especially in the non-photosynthetic parts, such as roots. Of course, photosynthesis will consume CO2 and produce O2 as the result.
What gas is needed for aerobic metabolism?
Oxygen is needed for aerobic metabolism.
