Multiple choice general knowledge science & technology The long tube which carries the sound waves from the ear flap to the eardrum is tympanum auditory canal cochlea trachea Reveal answer Fill a bubble to check yourself B Correct answer Explanation The auditory canal (ear canal) is the tube that carries sound waves from the outer ear (pinna/ear flap) to the eardrum (tympanic membrane). The cochlea is in the inner ear, tympanum is another name for eardrum, and trachea is the windpipe.