Damage of ___ causes hearing impairment.
ear drum
A ruptured eardrum is also known as a perforated eardrum or a perforated tympanic membrane. It can lead to complications such as middle ear infections and hearing loss. Ear wax mainly protects foreign particles from entering the ear. Pinna helps in collecting sound and directing it inside the ear while oval window is associated with the movement of sound from middle ear to inner ear.