TNPSC Thervupettagam

Human Middle Ear

June 23 , 2022 886 days 795 0
  • As per the recent studies, middle ear of human has evolved from fish gills.
  • Middle ear of human houses three tiny, vibrating bones.
  • It helps in transporting sound vibrations into inner ear.
  • Fossil and embryonic evidence proves that, human middle ear evolved from spiracle of fishes.
  • However, origin of vertebrate spiracle is an unsolved mystery in vertebrate evolution.

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