Biologymedium · Past Paper
What is the role of the Eustachian tube?
ASound amplification
BBalance maintenance
CPressure equalization in the middle ear
DProtecting the eardrum
✓ Correct Answer: C — Pressure equalization in the middle ear
The Eustachian tube connects the middle ear to the nasopharynx and helps equalize air pressure on both sides of the eardrum.
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