The Respiratory System

by Kay Manolis

Book Overview

How do we breathe and why do we need oxygen? Your lungs work hard to keep oxygen flowing through your blood. This book explains how the respiratory system functions to take in the air we need to live. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0531217051
• ISBN13: 9780531217054
• Release Date: October 2009
• Publisher: Scholastic
• Length: 24 Pages
• Weight: 0.55 lbs.
• Dimensions: 0.3" x 6.5" x 9.1"
• Age Range: 5 to 8 years
• Grade Range: Kindergarten to Grade 3