The book Healthy Living 1 was written by author C E a Charles Edward Amory Winslow Here you can read free online of Healthy Living 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Healthy Living 1 a good or bad book?
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Fresh air — that is, cool moving air — is essential to KEEPING THE SKIN HEALTHY 137 the health of the skin and the skin blood vessels and to the comfort and health of the whole body. Ventilation. — We shut ourselves up in heated build- ings in winter in order to keep warm; and if we are not careful, we get too warm, and our health may be se- riously injured, both by the heat itself and by the sud- den shock we feel when we go out into the chill outer air. The remedy for this is to introduce all... the time a supply of moderately cool fresh air; this process is called ven- tilation. In a living room where there are not many people, plenty of air wiU get in — if it is cold outside — through cracks in the window frames and floors and other places. But where a great many people are crowded together, as in a schoolroom, it is generally necessary to pro\dde some special way for the air to enter. Every human body produces about as much heat as a candle flame, and you can see that if the schoolroom were closed up tightly and a candle were burning in each seat, the room would heat up quickly.
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