AP PSYCHOLOGY

Detailed explanation-1: -The middle ear contains three tiny bones: Hammer (malleus )-attached to the eardrum. Anvil (incus )-in the middle of the chain of bones. Stirrup (stapes)-attached to the membrane-covered opening that connects the middle ear with the inner ear (oval window)

Detailed explanation-2: -The middle ear is made up of the eardrum and three small bones (ossicles) that send the movement of the eardrum to the inner ear.

Detailed explanation-3: -cochlear duct-is the middle chamber. Its roof is the vestibular chamber. Its floor is the basilar membrane. The scala vestibuli and tympani contain perilymph and are connected at the helicotrema. The cochlear duct contains endolymph and ends at the helicotrema.

Detailed explanation-4: -There are three bones present in the middle ear-malleus, incus and stapes. The function of these bones is to amplify the vibrations that reach the middle ear and send them to the inner ear.