Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
811
Points per Word
0.000617
Page Count
24
Points per Page
0.020833
Series
Human Habitats (Enslow)
Description
Simple text and illustrations introduce young readers to their lungs and respiratory system.