Exam-style question
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Explain how sound vibrations are converted into nerve signals in the cochlea.
Model answer
What a good answer should say
- In the cochlea, sound vibrations cause fluid movement, which stimulates hair cells.
- These hair cells convert the mechanical energy of the vibrations into electrical signals that are sent to the brain via the auditory nerve.
Explanation
Why this works
This response clearly outlines the process of converting sound vibrations into nerve signals, highlighting the role of the cochlea and hair cells. It assesses the student's understanding of the biological mechanisms involved in hearing.
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