Breath

Everyone knows we need it but do you know how we get oxygen out of the air? Trace oxygens path from the nose and mouth to the lungs.

The Respiratory System	p. 4
Oxygen and Carbon Dioxide	p. 7
The Nose and the Mouth	p. 8
The Pharynx and the Larynx	p. 11
The Trachea and the Bronchi	p. 12
Inside the Lungs	p. 15
Take a Deep Breath	p. 16
Then Let It Out	p. 19
Just Breathe	p. 20
Respiratory Trouble	p. 22
Glossary	p. 23
Index	p. 24
Web Sites	p. 24
Table of Contents provided by Ingram. All Rights Reserved.

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Summary

Table of Contents

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