Multiple choice

Which part in the ear turns the pressure variations into electrical signals?

  1. Tympanic membrane

  2. Cochlea

  3. Stirrup

  4. Auditory nerve

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the inner ear, the pressure variations are turned into electrical signals by cochlea. These electrical signals are sent to the brain via auditory nerve and the brain interprets them as sound.