The evolution of the mammalian ear is well documented and makes a nice evolutionary story. The ear consists of three parts: inner, middle, outer ear Some vertebrates lack middle and outer ear ...

Outer ear - Part of the ear you can see ... It vibrates when sound waves hit it Hammer or Malleus - One of the three tiny bones in the ear. It moves when the ear drum vibrates Anvil or Incus ...

Hearing loss comes in different shapes and sizes. There are three common types of hearing loss that affect around 37M people ...