Label the part A in the image.

Tympanum

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Semicircular canal

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Ear ossicles

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Vestibule

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Solution

The correct option is B
Semicircular canal

In the above image, part A is semi-circular canals. It is concerned with dynamic equilibrium. It helps us to maintain balance. When our head moves around, the liquid inside the semicircular canals spills around and moves the tiny hairs that line each canal.

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