Question

State the function of-
(a)The three bones present in the middle ear of human.
(b)Chochlea

Answer 1

three bones present in the middle ear in the human increases the intensity of sound vibration.

b) the bony labyrinth has three semi circular canals vestibule and a coiled structute called cochlea.inside that bony cochlea,there is a membranous cochlea which is also known as scala media.it is filled with endplymph and has a spirally coiled membrane called basilar membrane .it has got fine hair cells arranged in a series to form the organ of corti.this is the main organ for hearing.