Question

the middle ear includes the eardrum and three small bones—, and. the anvil the cochlea the stirrup the hammer the anter the screw the semicircular canals

Explanation:

The middle ear's three small bones are the hammer (malleus), anvil (incus), and stirrup (stapes). Cochlea and semicircular canals are inner ear structures.

Answer:

the hammer, the anvil, the stirrup