Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4859
Points per Word
0.000206
Page Count
32
Points per Page
0.03125
Series
Exploring the Human Body
Description
This book examines how the lungs provide air and help the body to breathe and describes the breathing movement and how the brain helps to control breathing.