The diagram shows the human ear - Leaving Cert Biology - Question 14 - 2018
Question 14
The diagram shows the human ear.
(i) Name the part labelled A and give its function.
(ii) Name the part labelled B and give its function.
(iii) Name the part labell... show full transcript
Worked Solution & Example Answer:The diagram shows the human ear - Leaving Cert Biology - Question 14 - 2018
Step 1
Name the part labelled A and give its function.
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Answer
The part labelled A is the Semi-circular canal. Its function is to maintain balance.
Step 2
Name the part labelled B and give its function.
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Answer
The part labelled B is the Cochlea. Its function is to facilitate hearing.
Step 3
Name the part labelled C and give its function.
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Answer
The part labelled C is the Ear drum. Its function is to transmit sound waves to the middle ear.
Step 4
What is connected to the middle ear by the Eustachian tube?
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The Eustachian tube connects the middle ear to the throat.
Step 5
To which organ does the auditory nerve connect the ear?
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The auditory nerve connects the ear to the brain.
Step 6
State how any named disorder of the ear or of the eye may be corrected.
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One disorder of the eye is short-sightedness, which can be corrected using convex lenses. Another disorder is hearing loss, which may be corrected using hearing aids.
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