ear AC M.I

Function of the pinna

Collects sound waves and funnels them into the ear

Function of the auditory canal

Carries sound waves from the pinna to the eardrum

What is another name for ear drum

Tympanic membrane

What is another name for an ear infection

Otitis media

Function of the ear drum

Vibrates when sound hits it and transfers to the ossicles

What are the three ossicles

Malleus, incus, stapes

Function of the ossicles

Amplify and transmit sound vibrations from the eardrum to the inner ear

Function of the eustachian canal

Equalizes air pressure on both sides of the eardrum and helps drain fluid from the middle ear

What are the two nerves that connects to the brain

Cochlea nerve and vestibular nerve

Function of semicircular canal

Help maintain balance

What part of the ear maintains balance

Semicircular canal

Function of round window

Relieves pressure in the inner ear by allowing fluid to move when sound vibrations enter the Coachella

Function of oval window

Transfers sound vibrations from the stapes into the fluid of the cochlea in the inner ear

Function of inner ear

Converts sound vibrations into nerve signals sent to the brain and helps maintain balance

Amplitude

Determines how loud a sound is

What does it mean if the amplitude is high

The sound willl be louder

What does it mean if the amplitude is lower

The sound will be quieter

What does frequency mean

Determines the pitch

What does it mean if there is a higher frequency

The sound has a higher pitch

What does it mean if the frequency is low

The pitch is lower, being a deeper sound