It always puzzled me as a little boy that when I ate bacon it turned into a boy, and when my cat ate bacon it turned into a cat, even when, as was not unusual, we ate from the same piece of bacon. No matter what we ate in common, his food became a cat and mine became a boy.
Many years later I found myself dealing temporarily with an analogous problem. I was trying to write the electrical differential equations of the nervous system to describe how it is, that whatever the temperature outside may be, the human body stays around 98.6 degrees Fahrenheit.
We have all experienced, willingly or otherwise, the tremendous and continuous high level noise from the loudspeakers of rock groups, or the enormous dynamic range of a full symphony orchestra from almost inaudible to immensely powerful; song bird to thunder storm.