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Human Nervous System
Stimuli and Responses in Humans
Ear
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Limitations of Hearing
Human Nervous System > Stimuli and Responses in Humans > Ear
3 cards
Mechanism of Hearing
Human Nervous System > Stimuli and Responses in Humans > Ear
3 cards
Cards (18)
Outer Ear
consist of
earlobe
and
ear canal
Middle Ear consist of
eardrum
,
ossicles
,
oval window
,
eustachian tube
Inner Ear consists of
cochlea
,
semicircular
,
auditory
nerve
Earlobe
=
collects and directs sound waves into ear canal
Ear Canal
= directs
sound waves
to the
eardrum
Eardrum
(thin membrane) =
vibrates
according the
frequency
of the
sound waves
received and
transfers
the
vibrations
to the
ossicles
Ossicles
(made up of three small bones) =
amplify
sound
vibrations
and transfers them to the
cochlea
Oval Window
=
collects
and
transfers sound vibrations
from the
ossicles
to the
cochlea
Eustachian Tube
=
balances
the
air pressure
on both sides of the
eardrum
Cochlea
(contains
fluid
) = detects and converts sound
vibrations
into
nerve impulses
Semicircular canals
(contain
fluid
) =
detect
the
position
of the
head
and help to
balance
the
body
Auditory nerve
= sends nerve impulses from the
cochlea
to the
brain
to interpreted
See all 18 cards