Basic Ear Anatomy Worksheet

1.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.