We can hear the radio, the sound of music, and the sound of birdsong because we have that ear hearing aid. The ear consists of three parts, the outer ear, middle ear and inner ear.
a. The outer ear
1) Consists of the ear and auditory canal
2) Serves as a catcher sound vibrations.
b. Middle ear, consisting of:
1) The eardrum, serves capture sound vibrations to be forwarded to the ossicles
2) The bones of hearing, receiving vibrations from the eardrum to the inner ear forwarded to
3) Channels eustachian, a connector space ear and oral cavity.
c. Inner ear, consisting of:
1) casement jorong cochlea. Inside the cochlea there lymph fluid. Vibrations from the middle ear received casement ellipse and the cochlea. Fluid in the cochlea vibrating
2) auditory nerves. Cochlea fluid vibration stimulates nerve endings to be forwarded to the brain, so that we can hear the sound.
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