Respiration and Circulation

By Richard Spilsbury and Louise Spilsbury

What is an alveolus? Why does blood look red? How can we keep our lungs healthy? The Human Machine asks the questions that young people want answered. Each chapter contains a different question, so... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 143290907X
• ISBN13: 9781432909079
• Release Date: April 2008
• Publisher: Heinemann Educational Books
• Length: 32 Pages
• Weight: 0.70 lbs.
• Dimensions: 0.3" x 7.6" x 9.5"
• Age Range: 8 to 10 years
• Grade Range: Grades 3 to 5