The Human Ear (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main function of the middle ear?
What is the main function of the middle ear?
Amplify vibrations
What is the approximate length of the auditory canal?
What is the approximate length of the auditory canal?
2.5 cm
What are the three ossicles in the middle ear?
What are the three ossicles in the middle ear?
Hammer, anvil, and stirrup
Which ossicle is the smallest bone in the human body?
Which ossicle is the smallest bone in the human body?
Stirrup
What is the main function of the Eustachian tube?
What is the main function of the Eustachian tube?
Equalise air pressure
What do the semi-circular canals detect?
What do the semi-circular canals detect?
Head movements in three dimensions
What two structures does the vestibule contain?
What two structures does the vestibule contain?
Sacculus and utriculus
What shape is the cochlea?
What shape is the cochlea?
Spiral-shaped
Where is the organ of Corti located?
Where is the organ of Corti located?
In the cochlea
What do the cristae detect?
What do the cristae detect?
Changes in head speed and direction