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Show Lungs That AreStarved. It is a fact that most of us aiv vic-time vic-time of our own lazy respiration and deprive ourselves of oxygen that is so necessary if we would keep our bodies at their highest point of ctlicitncy, says the Delineator. Oxygen is absolutely necessary to the existence of animal life.. Man gets oxygen from air breathed into his lungs. Besides introducing oxygen Into the blood, the lungs act as excretory organs, or-gans, removing undesirable elements from the system at each expiration. In our ordinary or unconscious breathing only ten to thirteen per ceni of the air in the lungs is changed at each breath, leaving eighty to ninety per cent . of the lung capacity filled with stale air. Forced or conscious breathing of pue air ventilates the lungs, driving out the eighty to ninety per cent of the stationary or stale air. All bedroom windows and doors should be wide open during sleep, thus connecting the lungs directly with the pure air of the outside world. |