Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2558
Points per Word
0.000195
Page Count
31
Points per Page
0.016129
Description
Presents a human hair that resembles a tree trunk, bones filled with as many holes as a sponge, tunnels in the skin for sweat to pass through, and other microscopic marvels of the human body.