Originally published in 1910, this comprehensive textbook covers the fundamental principles of human physiology and hygiene. Aimed at students in secondary scho
Excerpt from Essential Lessons in Human Physiology and Hygiene: For Schools IN the preparation of the following chapters on hu man physiology and hygiene, the a
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant mark