Tuesday, October 2, 2007

basic ear worksheet

Pinna- directs sound waves into the auditory canal.
Tympanic membrane- makes sound louder
Ossicles- magnify sound vibrations
Cochlea- cause movement within the fluid of the cochlea
Semicircular canals- deals with balance

What three bones make up the ossicles? - Malleus, incus, stapes.

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