AR Book Level
9.0
AR Points
2
Word Count
10,418
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
216986 EN
About this book
Lungs explores the structure of the lungs and why the respiratory system is a vital part of the human body. It explains the different illnesses that can affect our breathing, from asthma to smoking, and outlines ways to keep our lungs healthly.