xvi CONTENTS 



SECTION 



187. The Muscles ....... . . .254 



188. The Blood .......... 255 



189. Respiration .......... 255 



190. Dangers of Vitiated Air ....... 257 



191. Food and Nutrition . . ...... 259 



192. Digestion .......... 260 



193. Food Vegetable Food ....... 262 



194. Food Animal Food ........ 263 



195. Food Analysis ......... 264 



196. Water Analysis ......... 268 



197. Food Preservation of Food . . ... . .270 



198. The Mind .......... 271 



199. The Senses Sight . . . .' ..... 272 



200. Sound and Hearing ........ 274 



201. Man's Place in Nature ........ 277 



202. Nature and Business ........ 278 



203. Man's Applications of Nature's Principles . . . . 279 



204. How to Plan a House and Barn . . . . . 280 



205. Conveniences for the Home ....... 282 



206. Sanitation ...... .... 284 



207. Sanitary Plumbing ...... . .285 



208. Simple. Household Remedies . " . . . . ' . 287 



209. Reading Meters ...... . . .290 



210. Economy . . , . . . ..... 291 



211. Education and Civilization ....... 293 



212. Manner of Living ........ 294 



