Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.6
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
10493
Points per Word
0.000191
Description
Muscles explores the structure of the muscles, how they work and how they help our body to function. It explores muscle illnesses and injuries, from cramp to paralylsis, and outlines way we can keep our muscles healthy.