Introductory Physiology and Hygiene: For Use in Primary Grades
Herbert William Conn
Broschiertes Buch

Introductory Physiology and Hygiene: For Use in Primary Grades

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A comprehensive guide to basic human physiology and hygiene, written specifically for children in primary grades. The book covers such topics as digestion, respiration, circulation, and personal hygiene, and is filled with colorful illustrations and easy-to-understand explanations. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity ...