. Applied physiology : including the effects of alcohol and narcotics . or his lungs. 158. Tight clothing. — When your clothes are tightaround the body, you cannot expand your lungs so muchas you wish, and so you cannot run or work without gettingout of breath. If you wear tight clothes day after day,your lungs will finally grow small and you will never bestrong. The waist should be large around so as to give room forthe liver as well as the lungs. Girls need as much roomfor their livers and lungs as boys. They do a great dealof harm to themselves by making their waists small. RESPIRATION 87 1
. Applied physiology : including the effects of alcohol and narcotics . or his lungs. 158. Tight clothing. — When your clothes are tightaround the body, you cannot expand your lungs so muchas you wish, and so you cannot run or work without gettingout of breath. If you wear tight clothes day after day,your lungs will finally grow small and you will never bestrong. The waist should be large around so as to give room forthe liver as well as the lungs. Girls need as much roomfor their livers and lungs as boys. They do a great dealof harm to themselves by making their waists small. RESPIRATION 87 159. Artificial respiration. — We can breathe as wechoose for a few moments, but nature finally makes usbreathe as weshould. Some-times a personis injured insuch a way thathe cannotbreathe. Indrowning or anelectric shock aperson stopsbreathing. If he can only be made to breathe again, his life will besaved. Every one should know how to make a personbreathe. When any one presses your chest or stomach, it drivesthe air out of your nose and makes a sound. In the same. Diagram of artificial respiration, showing inspiration. The arrows show that the arms are moved outwardfrom the sides of the chest. frp>ra,/r
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