How Do We Hear Sounds?

Answer

Sound is air made to vibrate. When sound is made, it is collected by the outer ear and directed to the eardrum. In response to the sound waves, the ear drum vibrates producing vibrations which are converted to electrical impulses then transferred to the brain for interpretation.
Q&A Related to "How Do We Hear Sounds"
You use a very complicated ear brain system, which is not fully unterstood yet.
http://wiki.answers.com/Q/How_do_we_hear_sound
When sound waves enter the auditory canal, they cause the eardrum to vibrate. These vibrations are amplified by the three bones of the middle ear, changed into nerve signals by the
http://www.ehow.com/how_6038479_anatomy-physiology...
When something makes a noise, it sends vibrations, or sound waves. The ear drum picks up these
http://www.chacha.com/question/why-do-we-hear-soun...
We can hear it when it has frequencies of between 15,000 and 20,000 herts.
http://library.thinkquest.org/J0111285/light/html/...
3 Additional Answers
The ear is the organ responsible for hearing. Outer ear collects sound waves from an object and directs them to the eardrum which vibrates in response to the waves. These vibrations are converted into electrical neural impulses and transferred to the brain via the auditory nerve for interpretation.
We hear by sound waves bouncing off of other objects and our ear drum. Some people are born without this ability and have to rely on their sight and touch.
We hear because sounds are vibrations in the air pressure and our ears function to catch the sound wave, detect the fluctuations in the air pressure, and turn those fluctuations into a signal the brain understands. The sound waves move a membrane in the middle ear called the ear drum.
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