WAEC Biology 1995 Question 22

Question 22

Sense Organs

The following are directly involved in transmission of sound waves to the brain except

  1. A.eardrum
  2. B.auditory meatus
  3. C.auditory ossicles
  4. D.eustachian tube
  5. E.cochlea
Show the answer and explanation

Answer: D (eustachian tube)

Explanation

Sound travels down the auditory meatus to the eardrum, ossicles and cochlea; the Eustachian tube only equalises air pressure.