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The external ear

The external ear consists of the auricle, what is commonly known as the ear flap, and the external ear canal. The ear flap's funny type of skin is called cartilage.




You already know that sound travels in wavesthrough the air. The sound waves enter this part of the ear which, thanks to the auditory canal, can orientate and direct the sounds coming in from outside towards the eardrum, which is in the middle ear.

The external ear is also where ear wax is made, which comprises special chemical substances that fight infection and help to keep the auditory canal clean.

M. Pilar Gascón. Pharmacist.