Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5091
Points per Word
0.000196
Page Count
64
Points per Page
0.015625
Series
Smithsonian Science
Description
This book is an investigation of the human body, looking at what technological developments have revealed about the twelve major body systems and how they work together, from the inside to the outside.