The human ear is one of the most under-appreciated organs. Most of us take it for granted that we can listen to music whenever we want or hear our loved ones speaking to us. Many people do not realize just how complex the ear really is. It is made up of thee main parts: the outer ear, the middle ear, and the inner ear. Each of these plays a role in the process of processing sounds, and each is divided into several more essential pieces.
The outer ear is, as the name implies, the outermost part of the ear, which acts as a funnel to guide incoming air vibrations (sound) to the eardrum. It is composed of two parts: the pinna and the ear canal. The outer ear deals with sound localization, meaning it allows us to hear sounds differently based on their origin. The head itself blocks some sound waves, but the others reach the left or right ear at a different intensity. This enables our brains to decipher the location of a sound, because we can tell from which side of our body it is originating.
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