“The piano can produce different-pitched sounds from 88 keys, but the human ear can distinguish over 2,500 different tones! Even more remarkable than the variation in pitch that the human ear can detect is the intensity of sound which the human ear is capable of hearing.
The human ear can detect sound frequencies that move the eardrum as slightly as a billionth of an inch. This incredibly small movement is less than the diameter of a hydrogen atom. Our hearing is so sensitive that we can hear the faint sound of blood coursing through our veins when standing in a soundproof room. Over 100,000 hearing receptors in the ears send impulses to our brain to be decoded and interpreted.
Could this marvelously designed instrument of hearing have had no designer?”
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