The external auditory canal is narrow and the eardrum is thick.
The child has a narrow external auditory canal and a thick eardrum.
Susceptible otitis media
Children's eustachian tubes are shorter, wider and straighter than those of adults. Nasopharyngeal and oral infections can easily cause otitis media.
Hearing fatigue, imperfect nerve development
It is prone to hearing fatigue and the central nervous system is underdeveloped.
Have a good hearing
Children's hearing is stronger than that of adults (cochlea is an important part of hearing, and the sensitivity of dry film fibers in cochlea is stronger than that of adults).
Auricles are prone to frostbite.
Auricles are prone to frostbite (children have tender skin).