An edition of The excretory system (1972)
The excretory system
By Alvin Silverstein
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Publish Date
1994
Publisher
Twenty-First Century Books,Lerner Publishing Group
Language
eng
Pages
84
Description:
Describes the main parts of this system and how they work, problems that they may have, and also treatments and cures for diseases.
subjects: Excretory system, Juvenile literature, Excretion, Urinary organs, Digestion