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Homeostasis #5

The Ear: Structures and Functions

StructureFunction
Pinna Outer part of the external ear. It amplifies sound by funneling it from a large area into the narrower auditory canal.
Auditory Canal Carries sound waves to the tympanic membrane.
Ossicles Tiny bones that amplify and carry sound in the middle ear.
Tympanic Membrane (eardrum) Receives sound waves.
Oval Window Receives sound waves from the ossicles.
Eustachian Tube Air-filled tube of the middle ear that equalizes pressure between the outer and middle ear.
Vestibule Chamber at the base of the semicircular canals. Also associated with static equilibrium.
Semicircular Canals Fluid-filled structures that provide information concerning dynamic equilibrium.
Cochlea Coiled tube within the inner ear that receives sound waves and converts them into nerve impulses.
Created by: WisemanLeo
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