Lundgren 
Eating and The Digestive System [PDF ebook] 

In Eating and the Digestive System, readers will learn how animals and humans eat to fuel their bodies, repair themselves, and handle daily functions. Featuring real-life photographs, fascinating facts, a comprehension and extension section, and more, readers stay engaged while learning and strengthening their reading comprehension skills. My Science Library’s rich, content-filled text and beautiful photographs bring science and the scientific process to life for readers. The series includes interesting facts about the Earth, the solar system, matter, energy, forces and motion, and life on our planet. The engaging text makes learning about science fun.