What is the structure composing the outer ear?
U7L3 - Post Flashcard - Hearing and Balance

Flashcard
•
Science
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Pinna
2.
FLASHCARD QUESTION
Front
What structure in the outer ear vibrates as sound waves hit it and transmits vibrations to the ossicles?
Back
Tympanic membrane
3.
FLASHCARD QUESTION
Front
What happens when air waves cause vibrations in the tympanic membrane?
Back
They move the malleus, incus, and stapes on a pivot, which in turn moves the fluid within the cochlea, moving hair cells in the organ of Corti.
4.
FLASHCARD QUESTION
Front
Name one of the bones included in the ossicles.
Back
Hammer (malleus)
5.
FLASHCARD QUESTION
Front
What is the fluid contained within the osseous labyrinth that bathes the membranous labyrinth?
Back
Perilymph
6.
FLASHCARD QUESTION
Front
What is the function of the cochlea in the hearing process?
Back
It converts sound vibrations into neural signals.
7.
FLASHCARD QUESTION
Front
What role does the tympanic membrane play in hearing?
Back
It vibrates in response to sound waves and transmits these vibrations to the ossicles.
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