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Give an evolutionary explanation for why the inner ear of mammals makes use of fluid pressure waves.

Feb 2nd, 2015

The middle ear is the portion of the ear internal to the eardrum, and external to the oval window  of the inner ear. The mammalian middle ear contains three ossicles , which transfers the vibrations of the eardrum into waves in the fluid and membranes of the inner ear. The hollow space of the middle ear has also been called the tympanic cavity, or cavum tympani. The eustachian tube joins the tympanic cavity with the nasal cavity (nasopharynx), allowing pressure to equalize between the middle ear and throat.

Feb 2nd, 2015

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Feb 2nd, 2015
Sep 22nd, 2017
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