Mark the odd item in each series:
Incus; stapes; retina; malleus.
The retina is the odd term out as it is a layer present in the eye, unlike the other three parts which make up the ear ossicles.
Arrange the following in the order of reception and transmission of the sound wave from the eardrum. Cochlear nerve, external auditory canal, drum, stapes, incus, malleus, cochlea.
what are malleus ,incus and stapes?