Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2257
Points per Word
0.000222
Page Count
32
Points per Page
0.015625
Series
Human Body (Child's World)
Description
This book explains the structure and role of the heart, a muscular organ in the chest, describing how blood flows through the body and problems that can affect the heart.