ReePrime
how the ear works???

Hosted by Dailymotion. For legal issues report at the Copyright Center, report us on DMC, or use the Instant Removal tool.

how the ear works???

O
one view

4 Views • Sep 15, 2017

Description

The ear has external, middle, and inner portions. The outer ear is called the pinna and is made of ridged cartilage covered by skin. Sound funnels through the pinna into the external auditory canal, a short tube that ends at the eardrum (tympanic membrane).