Body Functions ears
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The external cartilagenous flap of each ear is called a | pinna AKA the
auricle.
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| The tube leading from each pinna (auricle) to a tympanic membrane is called the | external auditory canal.
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| A tympanic membrane is AKA | “eardrum.”
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| Each external auditory canal is lined with modified sebaceous glands that produce | cerumen AKA
“earwax.”
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| Each middle ear is made up of three auditory ossicles (bones) called the: | 1. Malleus (hammer).
2. Incus (anvil).
3. Stapes (stirrup).
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| The tubes that connect the middle ears to the pharynx for pressure equalization are called the | Eustachian tubes.
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| The structure in each inner ear that is responsible for perceiving sound vibrations and conducting these vibrations to the auditory (vestibulocochlear) nerve is called the | cochlea.
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| The connection between a stapes and a cochlea is called the | oval window.
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| The structure in each inner ear which aids in balance (equilibrium) is called the | labyrinth.
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| Each labyrinth is made up of the | vestibule and semicircular canals.
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| The structures of each ear are designed to transmit sounds (vibration conduction) from the pinnae (auricles) at the external ears; through the external auditory meati; along the external auditory canals; to the tympanic membranes (eardrums); | to the ossicles (malleus, incus, and stapes in the middle ears); to the oval windows on the cochleas in the inner ears; to the auditory (acoustic) nerves; to the thalamus in the brain; to the temporal lobes for interpretation.
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Created by:
willowsalem
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