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 ...
So, as you can see, there’s a lot more to the human ear than meets the eye. Outer ear - Part of the ear you can see. Shaped like a funnel to collect sound waves and send them to the inner ear.
Hearing loss can occur at different parts of the ear, leading to one of three types of hearing loss. Sensorineural is the most common type of hearing loss, which originates from the inner ear.