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Question

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence.

Example: Large intestine, Stomach, Mouth, Small intestine, Oesophagus.

(a) Cochlea, Malleus, Pinna, Stapes, Incus.


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Solution

Cochlea:

The cochlea is the part of the inner ear and it is concerned with hearing.

Malleus:

Malleus is the part of the middle ear and it is the largest bone among the three ear ossicles.

Pinna:

Pinna is the part of the external ear and its function is a collection of sound vibrations for hearing.

Stapes:

The stapes is the part of the middle ear and it is the smallest bone of the ear ossicle.

Incus:

Incus is the part of the middle ear and it is a small bone of the ear ossicle between the malleus and stapes.

Hence, the correct order will be Pinna, Malleus, Incus, Stapes, and Cochlea as they are arranged in a logical sequence starting from the external ear followed by the middle ear, and then the internal ear.


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