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Biology Terms Wk. 23
| Question | Answer |
|---|---|
| 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 |