Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
347
Points per Word
0.001441
Page Count
24
Points per Page
0.020833
Description
In graphic-novel format, this book follows Molly and Ollie Oxygen as they travel through and explain the workings of the human respiratory system.