1. Eye
  2. Ear
  3. Nose
  4. Tongue
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1 Answers

Option 2 : Ear

  • Outer ear or Pinna is part of Ear.
  • When sound waves fall on the eardrum, it vibrates. These vibrations are converted into electrical signals which travel to the brain through nerves. The ear can be divided into three parts: 1. Outer ear 2. Middle ear 3. Inner ear.
  • Outer ear or Pinna :The outer ear collects the sound waves and passes them through a tube to a cavity in the middle ear. Its peculiar funnel like shape helps to collect and pass sounds into the middle ear.
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