(a) H - Eustachian tube ;
J - Semi - circular canals ;
(b) H - Opens during swallowing, yawning, chewing and vomiting to equalise air pressure in the middle ear with the
atmospheric air pressure since it is open on both ends ; Acc converse.
M - Curved / funnel shaped to receive or collect and concentrate / direct sound waves into the auditory meatus ;
N - long / highly coiled / spiral to increase surface area for attachment of sensory cells that bring about hearing ;
(c) Total deafness
(d) Endolymph
(e) Maintains body balance and posture ;
sharon kalunda answered the question on May 29, 2019 at 10:58
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