Breathing cover

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 7.1
Points 1.0
Fiction/Nonfiction Nonfiction
Word Count 5273
Points per Word 0.00019
Page Count 32
Points per Page 0.03125

Description

This book explains how the respiratory organs work, how oxygen is circulated through the bloodstream and waste is exhaled, and some common breathing difficulties.