In man,which one of the following cranial nerves is associated with the sense of body balance?

Which of the following receptors are specifically responsible for the maintenance of balance of the body and posture?

The $Oval$ $Window$ (fenestra ovalis) is an opening of the .....

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 ear ossicles is stirrup-shaped?

The ear ossicles in the middle ear, from outside to inside, are: