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Learning About the Digestive and Excretory Systems
Learning About the Human Body Systems
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 tidbits about these systems add an interesting twist.
RL
Grades
5-6 IL
Grades
5-12+ GRL
V
