Anatomy-Sense Organs| Ears
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15 Terms
What is the function of the outer ear?
Directs sound
What membrane receives sound vibrations?
Tympanic membrane
What are the three auditory ossicles?
Malleus, Incus, Stapes
Which part of the ear contains the cochlea?
Inner ear
What is the cochlea?
Spiral chamber
Which nerve carries hearing information to the brain?
Auditory nerve
What does the brain use both ears to determine?
Direction & distance
Which part of the ear is responsible for balance?
Vestibular system
How many semicircular canals are there?
3
What do the semicircular canals detect?
Balance & orientation
What fluid-filled particles help detect motion?
Otoliths
What are otoliths made of?
Calcium carbonate
What do otoliths detect?
Motion & acceleration
What is the approximate hearing range of the human ear?
16–28,000 Hz
What is perfect pitch?
Tone identification