Question:medium

Observe the illustration and answer the following questions.
(a) Identify the parts labelled as `X' and `Y'.
(b) What will be the effect of the rotational movement of head in `X'?
(c) Write the processes in `Y' that leads to hearing.

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Remember: Semicircular canals help in balance during movement, while cochlea converts sound vibrations into nerve impulses for hearing.
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