Respiratory System (The Amazing Human Body)

Amazing and interesting facts about human body. Interesting eyes facts, amazing body facts, hair facts, bones facts, blood facts, and many other human body facts. Interesting and strange things about human body.

CHAPTER 1
What Is the Respiratory System? . . . . . . . . 5
CHAPTER 2
Breathe In, Breathe Out . . . . . . . . . . . . . . . 23
CHAPTER 3
Breathless .. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
CHAPTER 4
Healthy Lungs . . . . . . . . . . . . . . . . . . . . . . . . . 55
GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
FIND OUT MORE . . . . . . . . . . . . . . . . . . . . . . . 74
BIBLIOGRAPHY . . . . . . . . . . . . . . . . . . . . . . . 76
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77