Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
818
Points per Word
0.000611
Page Count
24
Points per Page
0.020833
Description
This book explains how the respiratory system works and discusses its role in the human body, problems that can affect the respiratory system, and how to keep lungs healthy.