Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.8
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2219
Points per Word
0.000225
Page Count
40
Points per Page
0.0125
Series
Images
Description
Describes the development of a human baby from conception to birth, and briefly discusses genetic and environmental disorders.