Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2955
Points per Word
0.000169
Page Count
48
Points per Page
0.010417
Description
This book introduces the structure and function of the human circulatory system, explaining how the heart works to pump blood to the rest of the body, what blood is made of, why there are different types of blood, and what the heart looks like.