Functioning of the Human Ear (Grade 12 NSC Matric Life Sciences): Quizzes
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Practise the questions
10 questions from this quiz
What are the two essential functions of the human ear?
What are the two essential functions of the human ear?
Hearing & balance
What are the three ossicles in the middle ear?
What are the three ossicles in the middle ear?
Hammer, anvil, stirrup
What is the main function of the pinna?
What is the main function of the pinna?
Collects & funnels sound waves
What does the organ of Corti do?
What does the organ of Corti do?
Converts vibrations to impulses
Where are the maculae located and what do they detect?
Where are the maculae located and what do they detect?
Sacculus & utriculus; gravity
What do the semi-circular canals detect?
What do the semi-circular canals detect?
Rotational movement
What is a grommet used for in treating ear problems?
What is a grommet used for in treating ear problems?
Drains trapped fluid from middle ear
What happens in otosclerosis?
What happens in otosclerosis?
Stirrup bone becomes immobile
Who are hearing aids most effective for?
Who are hearing aids most effective for?
Damaged hair cells, working nerves
How do cochlear implants work?
How do cochlear implants work?
Convert sound to electrical impulses