The organ of Corti is located in the:

Damage to the ear caused by a sudden loud noise (blast) is prevented by:

Read the following statements regarding the structure of the human ear and select the correct option.
Statement $I$: The tympanic membrane is covered with mucous membrane on the inner side,to the surface of which is attached the $1^{\text{st}}$ ear ossicle,namely the incus.
Statement $II$: Scala vestibuli and scala tympani are filled with perilymph and form a part of the cochlea.

Which of the following is the function of ear ossicles?

Write short notes on the following:
$(a)$ Ear ossicles
$(b)$ Cochlea
$(c)$ Organ of Corti
$(d)$ Synapse

Which part of the human ear plays no role in hearing as such but is otherwise very much required?