arteries pumping blood to the brain pass close to the inner ear and so transmit sound
Middle ear. It is attached to pharynx via eustachian tube.
Sounds are received by the outer ear (pinna) and travel through the auditory canal to reach the eardrum (tympanic membrane). The vibrations of the eardrum then set the middle ear bones in motion, which transmit the sound to the inner ear for further processing.
The external ear acts as a funnel to collect sound waves and direct them towards the middle ear. The shape and structure of the external ear help to amplify and localize sounds, while also providing protection for the delicate structures of the middle and inner ear. Sound waves enter the ear canal, causing the eardrum to vibrate and transmit these vibrations to the middle ear ossicles, which then amplify and transmit the sound further into the inner ear for processing.
Outer ear
to transmit sound entering the outer ear to the bones of the middle ear
The function of membranes in the ear is to transmit sound vibrations to the inner ear, while the function of levers in the ear is to amplify and transmit these vibrations to the inner ear with greater force. Together, they help convert sound waves into electrical signals that can be interpreted by the brain as sound.
The ear responds logarithmically to different sounds. The ear which is divided into inner ear, outer ear and middle ear responds differently according to sound frequency and intensity.
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Hearing. They transmit the sound vibrations from the ear drum to the inner ear.
The middle ear cavity contains three tiny bones called the ossicles (malleus, incus, and stapes) that transmit sound vibrations from the eardrum to the inner ear. These bones amplify and transmit the vibrations to the cochlea, where they are converted into electrical signals that are sent to the brain for interpretation.
Outer ear