Keep-Well Stories for Little Folks

"[...] 2. What must happen to this fuel-wood, coal, or gasoline-before it can make the engine do its work? 3. Did you ever wonder why it is that your body is always warm? It is very much like the engine. 4. What do you call this fuel that your body-engine uses? Just as the fuel for the steam engine must be burned if it is to make heat, even so must the food be burned in your body if it is to keep it warm and able to work. Of course the food in your body does not burn exactly as the...
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"[...] 2. What must happen to this fuel-wood, coal, or gasoline-before it can make the engine do its work? 3. Did you ever wonder why it is that your body is always warm? It is very much like the engine. 4. What do you call this fuel that your body-engine uses? Just as the fuel for the steam engine must be burned if it is to make heat, even so must the food be burned in your body if it is to keep it warm and able to work. Of course the food in your body does not burn exactly as the wood and coal burn in the steam engine. It burns much more slowly-so slowly that you would not know that it burns at all if it were not that it always keeps your [...]".