Describes the role of the endocrine system and explains some problems that may arise. Also provides information on how to keep the system healthy.
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Rebecca Olien was an elementary school teacher for 20 years. She has since written over 50 books for children and educators. Currently, she is an instructional designer and curriculum developer.
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Book Description Capstone Press, 2006. Library Binding. Book Condition: New. Bookseller Inventory # DADAX073685410X