Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1233
Points per Word
0.000406
Page Count
48
Points per Page
0.010417
Series
True Book
Description
Describes the various parts of the human circulatory system and explains how and why blood is circulated.