Show it 1 muscles and bran brain I 1 I 1 experiments conducted by af 0 turin indicate that physical edica on and gymnastics serve not only or the development of the muscles amit ait for or that of the brain as well it is becoming evident in the opinion on n of f his authority that as much time ainoo 1 should be devoted to muscular exercise as to intellectual exercise and bat at children should begin reading and writing only after they are nine years ears old I 1 muscular fatigue exhibits phenomena identical with intellectual fatigue ill 1911 e N nerve erve cells show a ter tendency dency to rest every ten seconds it Is probable that only part of the brain la Is active at a time the various parts relieve one another the more mobile arty any animals extremities are the more intelligent tell igent other things belne equal it Is harpers weekly |