Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
225
Points per Word
0.002222
Page Count
24
Points per Page
0.020833
Series
Pebble Plus; My Body Systems
Description
Your respiratory system carries oxygen throughout your body. Your lungs take in clean air while getting rid of waste.