20-1 Flashcards
the sense or act of hearing
audition
what sound frequency do we hear the best
human voice
Why are those with normal hearing acutely sensitive to fain sound
its from ancestor’s survival when hunting or being hunted, or fighting OR a child’s whimper
we hear both ___and___conduction
air, bone
the amplitude of sound waves determines thier
loudness
their length or frequency determines the____we experience
pitch
Every ___decibles correspond to a tenfold increase in sound intensity
10
How loud is normal conversation
60 decibles
1st in order of how we hear
outer ear
2nd in order of how we hear
auditory canal
3rd in order of how we hear
eardrum
4th in order of how we hear
middle ear (hammer anvil and stirrup)
5th in order of how we hear
(jostling fluid) oval window of the cochlea
6th in order of how we hear
basilar membrane
7th in order of how we hear
hair receptor cells