Friday, July 6, 2018

EARS









##  Humans can distinguish over 1,500 Musical Tones.
##  People can Hear Sounds ranging form 0 to 140 decibels (A unit used to express the Intensity of a Sound Wave).
##  Ears can detect the direction of sound within 3° (degree).
##  Sound above 160 decibel can cause cellular damage to the Ear & may lead to Deafness.
##  The right Ear is better at hearing SPEECH & the left Ear is better at hearing MUSIC.
##  Stapes or stirrup is the smallest bone found in the middle Ear.
##  The Stapes bone is only 2.8 millimeters long. 

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