作者：virgin marie 10 年以前
1989
ear sense
Functions of the parts of the ear
auditory nerve
this send messages to the brain, which are then interpreted as sounds
ear cannal
then narrow passage throug wich sound enters the ear.
cochlea
the fluid inside the cochlea passes vibrations to tiny hairs connected to auditory nerves
oval window
is at the boundary between the middle ear and inner ear
ear drum
the beginnig of the middle ear and is made of a thing sheet of muscle and skin
auditory cannal
conects the outer ear with the drum
pinaa
colects sounds and funnels them in to the auditory cannal
ear sense
Video
hearing aids
Are electronic devices that enable a person with hearing loss.
protection
Is the use of devices designed to prevent noise induced hearing loss etc...
Hearing mechanism
there are three main parts:the outer ear, the middle ear and the inner ear
Subtema
https://www.youtube.com/watch?v=HMXoHKwWmU8
Parts of it
Subtopic
ear
Is always active
perception
Is the ability to perceive the sound by detecting vibrations
hearing
Sound may be heard through solid, liquid, or gaseous matter
is one of the traditional five senses
