Digestion and Excretion (The Human Machine)

By Louise Spilsbury

Book Overview

What are villi? How do bacteria help the digestive system? Why is fiber important? 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: Paperback
• Language: English
• ISBN: 1432909126
• ISBN13: 9781432909123
• Release Date: April 2008
• Publisher: Heinemann
• Length: 32 Pages
• Weight: 0.25 lbs.
• Dimensions: 9.8" x 0.1" x 7.5"
• Age Range: 8 to 10 years
• Grade Range: Grades 3 to 5