Question

Cochlea, Malleus, Pinna, Stapes, Incus.

Answer 1

The ear is divided into three distinct parts: The outer ear, midddle ear and inner ear.

(i) The outer ear consists of the auricle (pinna) and the external acoustic meatus.

(ii) The middle ear has three very small bones that extends the middle ear called auditory ossicles. The malleus is the lateral hammer shaped bone. The incus is the middle anvil shaped bone. The stapes is the medial stirrup shaped bone.

(iii) The inner ear consists of vestibule, three semicircular canals and the cochlea.

Arranging in the order of their presence from the outside of the ear :

Pinna→Malleus→Incus→Stapes→Cochlea