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Hearing

1. The receptor for hearing is the _________ which is located inthe _________. The receptor has ______ and _______ hair cells. The__________ are responsible for hearing and the _______ areresponsible for cochlear tuning.
2. The ________ are activated when their stereocilia __________and are inhibited when the stereocilia __________. Bending of thestereocilia towards the _______open ________ to allow _______ toenter the cells. This causes depolarization of the _______ whichactivates ________.
3. Pathway
   1. Auditory nerve synapse in the _________ and activate secondaryneurons which project to the ________ to activate tertiary neuronswhich project to the ________ to activate quarternary neurons whichproject to the _________ to activate 5^th order neuronsthat terminate in the _______ where hearing isperceived.  
4. Hearing loss
   1. Damage to the ________ leads to sensorineural hearing losswhereas obstruction or damage to the ________ may lead toconduction hearing loss.

Equilbrium

1. _____________ detect angular movements of the head; the_________ detects vertical movements of the head; the ________detects horizontal movements of the head.
2. The equilibrium structures (apparatus) contain ________ whichare depolarized when _________. These cells then activate__________ which terminate in the _________. Neurons then projectto the _________ and then to the ________.