How do the physical properties of the spike heels help the brain decode and furnish sounds? Sound travels as osccialtion by dint of some medium. The function of spindles is to crash the sound into electric messages which are sent to the brain which perceives and interprets the sound. Ears inhabit of three parts the out(prenominal) stiletto heel, affection and national ears. The outer ear consists of the pinna which collects the sound and transmits it to the ear canal, which amplifies the sound and transmits it to the tympanic membrane, the fragment between the outer ear and the essence ear. The middle ear consist of tympanic membrane, osiccles (three bones connected in time: hammer, anvil and stirrup) and egg-shaped window. When the sound quivering from the outer ear reaches the tympanic membrane it vib positions at the same rate as the vibration from the outer ear. The vibrating tympanic membrane causes ossicles to vibrate, which transmits the vibration to t he oval window. The sound is amplified when transmitted as the tympanic membrane is a great deal larger then the oval window, and the bigger gist is demand to transmit the vibration from the air module to the smooth alter cochlea of the inner ear. This amplification is also aided by lever-like activity of ossicles. This helps to permit the loss of sound energy.
Two muscles connected to the ossicles (stapedius and tensor tympani) may damp down this amplification when tensed to cheer the inner ear from the outgoing noise and self-generated sound. after(prenominal) sound passes through the oval window it reaches the inner ear, which is the inward part of the ear. It con! sists of the fluid-filled cochlea, basilaryy membrane, organ of corti, tectorial membrane and hair cells. The cochlea consists of vestibular, middle and tympanic canals. later on the sound reaches the cochlea, oscillation causes the fluid vibration, which in turn vibrates the basilar membrane, which separates the vestibular and middle canals and contains and supports the organ of corti, which contains...If you lack to get a full essay, order it on our website: BestEssayCheap.com
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