Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3619
Points per Word
0.000276
Page Count
48
Points per Page
0.020833
Description
This Freestyle Express edition explains how muscle and bones work together to help the human body move, providing information about the skeletal system, muscles, and nerves.