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Show llfour HEART ih Powerful pYNAMO ; KwHAT the human heart is actually a powerful dy-InT dy-InT narao, continually generating streams of electric P rl lorce and sending them out to every part of the f A 'Wti Is a facfc wblctl sclence nas 3U0t proved by a f i ' re'3 of ingenious experiments. The presence of electricity in the human body has 3 ;,.n? been known to biologists. They explain it by the i -Scl that ev'ery living cell, when regardedfrom a phys- v :i I point of view, is a drop of fluid in which numerous C 4emical changes are continually taking place. mm f 0ne result of these chemical processes Is the genera- B 'lion of a quantity of electric force which swells into a h'treat stream when a number of cells work hnrmonlous- Tfogether, as they do in the normal human being. ' rjuks to some remarkable Instruments which have bleb' beton inventecl s now Possible to measure ac- jjr iarately the amount of electric energy in the body's i exganisnis. nia i Every muscle when at work generates more or less ; (jectriclty. The 'heart, being the most active of all |