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قراءة كتاب Physiology and Hygiene for Secondary Schools
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Physiology and Hygiene for Secondary Schools
The Project Gutenberg EBook of Physiology and Hygiene for Secondary Schools by Francis M. Walters, A.M.
This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at http://www.gutenberg.org/license
D.C. Heath and Co. - Publishers
Original copyright 1909
Preface
The aim in the preparation of this treatise on the human body has been, first, to set forth in a teachable manner the actual science of physiology; and second, to present the facts of hygiene largely as applied physiology. The view is held that "right living" consists in the harmonious adjustment of one's habits to the nature and plan of