Basic Ear Anatomy Worksheet

1.



2. What is the function of the following:
Pinna-Directs sound waves into the auditory canal.
Tympanic membrane-Turns the sound waves into sound vibrations.
Ossicles-Magnify the sound vibrations
Cochlea-Movement of fluids
Semicircular canals-Balance of the body, sends impulses to the brain to let it know your body is off balance, your brain would then send a message out for your body to correct itself.



3. What three bones make up the ossicles? The malleus, the incus, and the stapes.



4. What is the function of hairs in the ear? They stimulate nerve impulses to be sent to the brain by way of the auditory nerve.