![Public School Physiology and Temperance. good pull (Fig. 50), andhold them there for a couple of seconds. This increases thecavity of the chest, expands the lungs, and the air is drawnill to fill the space. Now draw down the arms and press them firmly ... Public School Physiology and Temperance. good pull (Fig. 50), andhold them there for a couple of seconds. This increases thecavity of the chest, expands the lungs, and the air is drawnill to fill the space. Now draw down the arms and press them firmly ...](https://l450v.alamy.com/450v/2afy9yc/public-school-physiology-and-temperance-good-pull-fig-50-andhold-them-there-for-a-couple-of-seconds-this-increases-thecavity-of-the-chest-expands-the-lungs-and-the-air-is-drawnill-to-fill-the-space-now-draw-down-the-arms-and-press-them-firmly-againstthe-sides-of-the-chest-fig-51-this-tends-to-force-air-outof-the-lungs-and-thus-you-complete-the-act-of-respiration-byartificial-means-repeat-this-process-steadily-at-the-rate-of-about-fifteentimes-in-a-minute-until-he-begins-to-breathe-do-not-get-first-aids-to-the-sick-and-injured-161-discouraged-too-quickly-even-if-there-seems-2afy9yc.jpg)
Public School Physiology and Temperance. good pull (Fig. 50), andhold them there for a couple of seconds. This increases thecavity of the chest, expands the lungs, and the air is drawnill to fill the space. Now draw down the arms and press them firmly ...
![National Museum of Health and Medicine (NMHM): Visibly Human Health and Disease in the Human Body: Respiratory System National Museum of Health and Medicine (NMHM): Visibly Human Health and Disease in the Human Body: Respiratory System](https://medicalmuseum.health.mil/assets/images/exhibits/visiblyhuman/respiratory.jpg)