OCR Text |
Show Value of Cold, Fresh Air. Cold, fresh air has special valuo be-causo be-causo It stimulates all the function! of tbe body. It quickens the heart and Increases tho number of red corpuscles corpus-cles la tho blood A reduction of 70 degrees In Its temperature Increases the proportion of oxygen In air one-seventh. one-seventh. This Is why ono feels bettor bet-tor In cold than In warm air. The vital Urea as well as Ores In grates burn brighter In cold weather The wholo lde ot llfo moves with greater activity. When oxygen Is not plentl ful enough to make tho vital fires burn sufllclcntly to consume the fuel and wasto ot tho body, then much ol tho wasto material Is left behind In tho form of Imperfectly burned substances, sub-stances, which may be culled clndert of tho body. Uric acid Is cinders. |