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Biology Terms Wk. 23

Auditory (Ear) Canal carries sound waves to the eardrum
Eardrum vibrates when sound waves arrive in ear
Hammer (or malleus) outer bone in chain of 3 small bones in middle ear, picks up vibrations from eardrum
Anvil (or incus) middle bone in chain of 3 small bones in middle ear, transmits vibrations from hammer to stirrup
Stirrup (or stapes) inner bone in chain of 3 small bones in middle ear, vibrates and moves oval window
Semicircular Canals upper part of inner ear that detects rotation of head and helps to maintain balance
Cochlea tube of inner ear coiled like a snail shell that detects sound
Auditory Nerve (or cochlear nerve) carries nerve impulses from the cochlea to the brain where it is interpreted
Eustachian Tube connects middle ear to throat (upper pharynx) equalizing air pressure
Earlobe external part of ear
Oval Window transmits vibration to the fluid in the inner ear
Created by: sapadog