Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2093
Points per Word
0.000239
Page Count
32
Points per Page
0.015625
Series
Smart Words Reader
Description
Illustrations and interesting text provide information on the human circulatory and respiratory systems at work. The text includes 20 highlighted science vocabulary words.