The outer part of the ear is shaped like a funnel. When sound enters it, it travels down a canal to a thin stretched membrane at the other end. 

What is the name of that thin stretched membrane? Choose from the following options.

The outer part of the ear is shaped like a funnel. When sound enters it, it travels down a canal to a thin stretched membrane at the other end. It is known as the eardrum.

Sound vibrations make the eardrum vibrate. The eardrum sends vibrations to the inner ear. From there, the signal goes to the brain. That is how we hear.