<\/span><\/h2>\n![\"ses](\"https:\/\/ceotudent.com\/wp-content\/uploads\/2022\/02\/ses-kaynagi.jpg\")
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Sound is a mechanical wave. In physics, the object that makes a sound is called a sound source. For example, vocal cords, tuning forks, drums, etc. they are all sound sources. However, the sound source cannot be separated from the elastic environment around it. If the same object in space is in the same state, no sound wave can be produced if it is separated from the elastic medium. Meanwhile, the object is not a sound source.<\/p>\n
Man lives in a perpetual world of sound, as he receives an unchanging source of information about the world. The speed of the wind, the chirping of birds, the speech of people and the roar of animals, the hum of thunder are the sound sources in nature that help man adapt to environmental conditions.<\/p>\n
\nHow does a person listen?<\/h3>\n
![\"dinlemek\"](\"https:\/\/ceotudent.com\/wp-content\/uploads\/2022\/02\/dinlemek.jpg\")
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If we consider the human ear from the inside, you can see the so-called eardrum. It runs along the tunnel leading to the ear. Air vibrations from the sound source beat the eardrum, causing it to vibrate as well. Behind the eardrum is a bony cavity filled with three movable bones, the hammer, the anvil, and the head, named for their shape. These bones receive and initiate vibrations from the eardrum.<\/p>\n
Deep in the ear, there is a fluid-filled channel, about 3 cm long, called the snail. Vibrations from moving bones create waves in a liquid, like waves in an ocean. Like underwater algae, thousands of hair cells ripple in a wave of liquid. These cells are basically important for hearing. Vibrations passing through them push electrical impulses from the auditory nerve to the brain. The brain also converts these electrical signals into music and sounds.<\/p>\n
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