Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3737
Points per Word
0.000268
Page Count
32
Points per Page
0.03125
Series
Body Systems (Rigby)
Description
This book describes the heart and blood and their functions, also discussing blood types, pacemakers, the immune system, and ways to keep your heart healthy.