BIOLOGY
JAMB 2005 - Question 30
Biology 2005 JAMB Past Questions - Question 30: A function of the part labelled II is to
Choose the correct answers from the options given.
A:
B:
C:
D:
Correct Answer
A
Explanation
AThe structure is Eustachian tubewhich leads into the middle ear. It allows air from outside to enter and leavethe middle ear to ensure that the pressure of air on both sides of the eardrumis balanced.Option 'A' is carried out by the three semicircular canals, sacculus arid utriculus. Option 'B' is carried out by thesensory cells of the cochlea while that of 'D' is done by the auditory nerves.
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