The Digestive and Excretory Systems

by Susan Dudley Gold

Author Susan Dudley Gold delves into the functions of the digestive and excretory systems. She explains why these systems are discussed together, how they work, and ways to keep healthy. Fascinating... This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 0766020223
• ISBN13: 9780766020221
• Release Date: January 2004
• Publisher: Enslow Publishing
• Length: 48 Pages
• Weight: 0.55 lbs.
• Dimensions: 0.4" x 6.0" x 9.0"
• Age Range: 10 to 17 years
• Grade Range: Grades 5 to 12