Ear

Auricle/Pinna

Funnels sound waves to the external auditory canal.

External auditory canal

Funnels sound waves to the tympanic membrane.

Tympanic membrane

Conducts sound waves to the middle ear.

Auditory ossicles (malleus, incus, stapes)

Amplify sound waves picked from the tympanic membrane and send to the oval window.

Cochlea

Picks sound waves from the oval window and sends vibrations to the organ of Corti.

Organ of Corti

Generates auditory nerve impulses and transmits them to the brain.

Semicircular canals

Responsible for rotatory balance.

Utricle

Maintains balance following motion in the horizontal plane.

Saccule

Maintains balance following motion in the vertical plane.

Eustachian tube

Equalizes ear pressure.