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Anatomy of an Ear

Given below i...

Question

Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow :
(i) Give the collective biological term for Malleus, Incus and Stapes.
(ii) Name the parts labelled A, B and C in the diagram.

(iii) State the functions of the parts labelled 'A' and 'B'.
(iv) Name the audio receptor region present in the part labelled 'A'.

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Solution

(i) Ear ossicles
(ii) A – Cochlea, B – Semicircular canals, C – Ear ossicles
(iii) Cochlea helps in transmitting impulses to the brain via the auditory nerve. Semicircular canals help in maintaining dynamic equilibrium of the body.
(iv) Organ of Corti

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